“Rubio is popular, but in his home state he is taking a back seat to Bush vs. Walker,” Kaplan said. “Even among Hispanics, Bush takes 24 percent, Walker 23 percent and Rubio, a Cuban-American, comes in third with 11 percent -- roughly his same level of support across the state’s Republicans in an open field.” A new poll shows Wisconsin Gov. Scott Walker is running in a dead heat with former Florida Gov. Jeb Bush in the Sunshine State as the 2016 presidential race looms. Gravis Marketing released its poll of Florida Republicans this week, which finds Bush ahead with...