Fox News' Greg Gutfeld hyped his upcoming appearance on The Tonight Show by singling out Jimmy Fallon for praise while knocking down his late night peers.

Fox's Greg Gutfeld praised The Tonight Show starring Jimmy Fallon after slamming other late night hosts just weeks after ...

Fox News late night host Greg Gutfeld will be a guest on Jimmy Fallon's "Tonight Show," marking the libertarian-leaning on-air persona's first appearance on a traditional network late-night talk show.