From a February 6 Politico article:

A Fox spokesperson rejected the suggestion that the network promoted the tea party movement, and differentiated the network's news coverage from the treatment given the movement by some of the network's opinion commentators, who have actively encouraged participation in protests.

Really?

REPORT: “Fair and balanced” Fox News aggressively promotes “tea party” protests

Hosting the party: Fox aired at least 20 segments, 73 promos on “tea party” protests -- in just 8 days

Fox News' Hemmer: “Can't get to a tea party? Fox Nation hosts a virtual tea party.

Fox News “hops” aboard Tea Party Express with rampant promotions, live coverage

Media verdict is in: Fox News driving force behind tea parties

On the house: Fox aired 107 ads for its coverage of tea party protests over 10 days

“I saw it on Fox” : Dozens of articles on local tea parties report Fox News had a hand in them

Fox News' tea party coverage makes mockery of claim that network provides “straight ... news” in daytime

Fox host Varney: 'It's now my great duty to promote the tea parties. Here we go!'

Media Matters' archive of Fox News and the tea parties.