Image via CBS

Last night's GOP debate on CBS was called “thermonuclear war” by right-winger Charles Krauthammer, who also compared the feisty event to the WWE.

Most notably, boo magnet Donald Trump bluntly stated that George W. Bush deliberately lied about the presence of weapons of mass destruction in Iraq as a false pretense to get America to go to war. He asserted the Iraq War (which he claims he was against from the very beginning ... over a year into it!) was our mistake, and it “destabilized” the Middle East.

Jeb Bush took exception to these claims. Watch the video after the jump ...

Trump invokes 9/11 while criticizing George Bush

Jeb Bush: My brother helped keep America safe. Donald Trump: 9/11 happened on his watch.

Posted by Vox on Saturday, February 13, 2016

Trump, who seems confident that he's still winning by a lot, also said Cruz was nasty and a liar.