Tampa, FL -  Donald Trump calls his presidential campaign a mass movement, but he must show he can coax enough support from voters who twice delivered the White House to Barack Obama.

The billionaire businessman depended almost exclusively on conservative and GOP-leaning whites — a majority of them men — to secure the Republican nomination. Now he must look ahead to a wider, more diverse voting population in his likely general election matchup with Democratic front-runner Hillary Clinton.

His ability to seize on marginal shifts in the electorate may determine whether he can pull off a victory once unthinkable. Trump’s task is critical to flipping back into the GOP column some of the most contested states that Obama won twice.

This challenge is perhaps best evident in Florida, a culturally, racially and ideologically varied state where Obama defeated Republican Mitt Romney four years ago by fewer than 75,000 votes out of more than 8.4 million cast.... Read More: VIN