First Three GOP Presidential Candidates Share Tea-Party Roots

The first three Republicans to join the 2016 presidential campaign—Sens. Ted Cruz, Rand Paul and Marco Rubio, who announces his candidacy Monday—have one big thing in common: Each rose to power with support from the tea-party movement.

Now the three, who all beat establishment-backed candidates in Senate primaries, will be competing for the loyalty of tea-party voters as they seek the GOP presidential nomination.