For months, Donald Trump and Sen. Ted Cruz (R-Tex.) played nice while competing for the GOP presidential nomination. Then things turned nasty. Now they've completely devolved, and the two are in open warfare. Here's a timeline of their relationship over the course of the presidential campaign.
March 23: Cruz is the first candidate to announce he’s running for president with a rally at Liberty University in Lynchburg, Va. Trump says that Cruz’s Canadian birthplace could be a “hurdle” to his candidacy.
22:58 Trump looks to energize White House with Florida rally25
18:04 Maine's Republican governor says 'TV show's over' for Trump18
01:32 Andrew Puzder Withdraws From Consideration as Labor Secretary18
21:02 In one exchange, Sean Spicer demonstrated why there’s skepticism about Trump’s claims of tolerance25