It wasn't Trump who suggest Cruz for the Supreme Court. It was some hack reporter.
The media throws odd questions at Trump, and Trump has the same response every time. "I don't know, I'd have to think about it." Trump's not clever enough to see he is being set up.
REPORTER: Mr. Trump, would you consider making all Muslims wear some kind of cloth badge on their clothing?
TRUMP: I don't know, I'd have to think about it.
HEADLINE: TRUMP SEZ MUSLIMS WILL BE FORCED TO WEAR ID BADGES!
REPORTER: Mr. Trump, would you consider appointing Ted Nugent to the Supreme Court?
TRUMP: I don't know, I'd have to think about it.
HEADLINE: TRUMP TO APPOINT LUNATIC ROCK STAR TO SUPREME COURT!!!
REPORTER: Mr. Trump, would you consider licking a dog's balls?
TRUMP: I don't know, I'd have to think about it.
BREAKING: DONALD TRUMP TO ENGAGE IN BESTIALITY IN OVAL OFFICE!
REPORTER: Mr. Trump, would you bring Skynet online?
TRUMP: I don't know, I'd have to think about it.
BOMBSHELL: TRUMP UNVEILS PLAN TO ERADICATE HUMAN RACE!