Trump on alliance with Cruz: 'I'm sure it will end'

Donald Trump expects his so-far cordial relationship with Ted Cruz to end soon.

Cruz is the only Republican presidential candidate who has declined to publicly criticize Trump, who leads the field for the GOP nomination. But on Saturday, Trump said that won't last.

"We have had a very good relationship, but I'm sure it'll end," Trump said on Fox News. "Because, you know, he's got to come after me at some point. I'm leading by a lot, as you know, so at some point he's going to come after me."

Trump also said that he thinks he has the advantage on "temperament," compared to Cruz.