[img]http://d.yimg.com/a/p/ap/20100207/capt.3d419b46be894ce0b99fd3dbdb83f135.tea_party_palin_tner116.jpg?x=114&y=130&q=85&sig=RMYhXMuYily4WbgrslF0Ww--[/img]AP - Sarah Palin declared "America is ready for another revolution" and repeatedly assailed President Barack Obama on Saturday before adoring "tea party" activists. They make up a seemingly natural constituency should she run for president.