The gloves are really starting to come off between Ted Cruz and Donald Trump. With Trump going full birther on Cruz and the Iowa Caucuses just a couple of weeks away, both candidates are looking to see where they can go in order to pull votes from each other.

Cruz was on the Howie Carr show today and had some not so kind words to say about Trump:

The Canadian-born Cruz told the Howie Carr radio show Tuesday that Trump should stop playing “Born in the USA” at his rallies — a move that was an obvious dig at Cruz — because Trump is a New Yorker.

“I think he may shift in his new rallies to playing ‘New York, New York’ because Donald comes from New York and he embodies New York values,” Cruz said.

It wasn’t meant as a compliment.

A new poll being conducted by Cruz supporters tested several attack lines in Iowa against Trump, including one trying to depict him as another New York liberal.

An Iowa resident, Simpson College professor Kedron Bardwell, said he received one of the calls and it described Trump as a “New York liberal pretending to have conservative values.”

It wasn’t only on the Carr show where Cruz went after Trump:

Cruz also went after Trump in an interview with conservative host Hugh Hewitt — the same forum where Trump stumbled when the host peppered him with questions about world leaders and terrorists.

“And it’s certainly relevant does a commander-in-chief understand who our enemy is, radical Islamic terrorism, understand how to defeat it not just based on what’s said on Sunday shows on TV, but actually understanding the nature of the threat and what is required to defeat it?” Cruz said Tuesday night.

It was a reference to the time in August when Trump was asked on “Meet the Press” where he gets military advice, and responded, “Well, I watch the (Sunday morning TV) shows.”

The debate tomorrow night is going to be something to watch.