It's not the first time the conservative columnist has sparred with Trump.
"Stick w/ attacking me--Caroline & Catherine are out of your league," Cruz tweeted.
Lisa Hagen 12/21/15 01:18 PM EST
"There's no evidence" of Trump being used in ISIS recruitment videos, Bush said.
The Kentucky senator said that Trump’s policy proposals have serious implications.
He said the bloated primary field does not allow for serious policy discussions at debates.
He said "of course" he would try to find a role for Rubio in a potential Cruz administration.
The GOP front-runner is speaking to supporters in Cedar Rapids, Iowa, on Saturday.
"Just one other thing — I gotta get this off my chest — Donald Trump is a jerk," Bush told supporters.
"Direction has to come from the communities," not the federal government, she said.
He slammed opponents for pandering to voters with plans that are "not going to happen."