Kentucky Senator Rand Paul formally announced today that he’s getting in the race for the Republican presidential nomination. He joins Texas Senator Ted Cruz, who announced last week. Florida senator Marco Rubio is expected to announce next week. And, of course, Jeb Bush, Mike Huckabee, Chris Christie, and Wisconsin governor Scott Walker are all expected to run. As the GOP presidential field comes together, we take a look at how these campaigns and candidates might interact over the coming year with us here in California.