Scott Walker, Bobby Jindal and Sarah Palin serve up fire and brimstone towards Obama but reserve some friendly fire for GOP congressional leadershipThe confused morning search for side rooms and ID badges had worn off. The conference attendees had settled in. By some clocks it was Happy Hour, and the bars downstairs had filled and emptied a time or two.The 2015 Conservative Political Action Conference was in full swing, and at the end of Thursday afternoon, the crowd got what it had come for, in spades: three searing speeches from the main stage razzing President Barack Obama, damning “radical Islamic terrorism” and celebrating the United States as the best place on Earth in history.