Marco Rubio speaks to voters in Cleveland (9 images)

Sen. Marco Rubio (R-FL) speaks during a meet and greet with voters in Cleveland, Ohio on August 5, 2015. Rubio will participate in the first presidential debate tomorrow in Cleveland. Photo by Kevin Dietsch/UPI

Supporters listen as Republican presidential candidate Sen. Marco Rubio (R-FL) speaks during a meet and greet with voters in Cleveland, Ohio on August 5, 2015. Photo by Kevin Dietsch/UPI

Republican presidential candidate Sen. Marco Rubio (R-FL) speaks during a meet and greet with voters in Cleveland, Ohio on August 5, 2015. Photo by Kevin Dietsch/UPI

Republican presidential candidate Sen. Marco Rubio (R-FL) greets kitchen staff at Town Hall bar after a meet and greet with supports in Cleveland, Ohio on August 5, 2015. Photo by Kevin Dietsch/UPI