Rand Paul packed a hotel ballroom with loyalists and dazzled them with videos and goofy campaign swag. "No matter when you do it, you have the problem of butting against somebody else, and if that somebody else is Hillary Clinton, it's going to take a lot of the air out of the room," said John Brabender, an adviser to expected GOP candidate Rick Santorum. For Rubio, the son of Cuban immigrants, that meant weeks of planning for a launch expected to include Jumbotrons and a diverse audience of supporters at downtown Miami's iconic Freedom Tower, the first stop for tens of thousands of fleeing Cuban exiles during the 1960s and 1970s. The lead-up to her campaign kickoff is a quiet one — no social media hints or off-the-record tips on where to show up with a satellite truck. After some debate, Rubio and his team decided to stick with their plan, figuring a dueling announcement might actually work in their favor, allowing them to pocket an early fundraising boost by arguing he would be a strong rival to run against Clinton. Side-by-side media coverage of the two candidates would draw a beneficial contrast, argued another top aide, between a woman they see as an aging icon from the 1990s and a dynamic Hispanic who is expected to have a rowdy rally in Miami. Former Utah Gov.