Fans of Democratic presidential candidate Senator Bernie Sanders embrace during a rally at the Presidio on June 6, 2016 in San Francisco, California....
Fans of Democratic presidential candidate Senator Bernie Sanders embrace during a rally at the Presidio on June 6, 2016 in San Francisco, California....
Audience members at a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio cheer while waiting for Sanders to...
Audience members at a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio sleep while waiting for Sanders to...
Dog dressed as Democratic presidential candidate Senator Bernie Sanders sleeps at a rally at the Presidio held by Sanders on June 6, 2016 in San...
Dr. Cornell West speaks at a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio on June 6, 2016 in San Francisco,...
People wait in line to attend a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio on June 6, 2016 in San...
Audience members at a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio cheer while waiting for Sanders to...
An audience member flexes her muscles at a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio while waiting for...
Dr. Cornell West speaks at a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio on June 6, 2016 in San Francisco,...
Dr. Cornell West speaks at a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio on June 6, 2016 in San Francisco,...
Audience members at a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio cheer while waiting for Sanders to...
Audience members at a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio cheer while waiting for Sanders to...
People wait in line to attend a rally held by Democratic presidential candidate Senator Bernie Sanders at the Presidio on June 6, 2016 in San...
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo, California. A day...
Democratic presidential candidate Sen. Bernie Sanders and his wife Jane O'Meara Sanders greet supporters during a campaign rally at Waterfront Park...
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo, California. A day...
Supporter of democratic presidential candidate Sen. Bernie Sanders holds a sign during a campaign rally at Waterfront Park on May 18, 2016 in...
Dog wears a costume to look like democratic presidential candidate Sen. Bernie Sanders during a campaign rally at Waterfront Park on May 18, 2016 in...
Plane pulls a banner in support of republican presidential candidate Donald Trump by a campaign rally for democratic presidential candidate Sen....
Supporter of democratic presidential candidate Sen. Bernie Sanders holds a campaign button during a campaign rally at Waterfront Park on May 18, 2016...
Democratic presidential candidate Sen. Bernie Sanders and his wife Jane O'Meara Sanders greet supporters during a campaign rally at Waterfront Park...
Law enforcement boats patrol the Napa River next to a campaign rally for democratic presidential candidate Sen. Bernie Sanders at Waterfront Park on...
Supporters looks on as Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in...
Supporters cheer as Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo,...
Boat with a banner in support of Republican presidential candidate Donald Trump navigates the Napa River near a campaign rally for Democratic...
Supporters cheer as Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo,...
Supporter of Democratic presidential candidate Sen. Bernie Sanders holds an anti-Hillary Clinton sign during a campaign rally at Waterfront Park on...
Supporters cheer as Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo,...
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo, California. A day...
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo, California. A day...
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo, California. A day...
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo, California. A day...
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo, California. A day...
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo, California. A day...
Democratic presidential candidate Sen. Bernie Sanders and his wife Jane O'Meara Sanders greet supporters during a campaign rally at Waterfront Park...
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo, California. A day...
Democratic presidential candidate Sen. Bernie Sanders and his wife Jane O'Meara Sanders greet supporters during a campaign rally at Waterfront Park...
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo, California. A day...
Supporters cheer as Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally at Waterfront Park on May 18, 2016 in Vallejo,...
Supporter of Democratic presidential candidate Sen. Bernie Sanders holds a sign during a campaign rally at Waterfront Park on May 18, 2016 in...
Supporter of Democratic presidential candidate Sen. Bernie Sanders holds a campaign button during a campaign rally at Waterfront Park on May 18, 2016...
Plane pulls a banner in support of Republican presidential candidate Donald Trump by a campaign rally for Democratic presidential candidate Sen....
Law enforcement boats patrol the Napa River next to a campaign rally for Democratic presidential candidate Sen. Bernie Sanders at Waterfront Park on...
Dog wears a costume to look like Democratic presidential candidate Sen. Bernie Sanders during a campaign rally at Waterfront Park on May 18, 2016 in...