In the aftermath of former Alaska Governor Sarah Palin's endorsement of Donald Trump, conventional wisdom says that Trump is back on top in the first primary state of Iowa after Sen. Ted Cruz (R-TX) jumped ahead in the state polls a few weeks ago. Charles Krauthammer said, "I think this could be decisive... not because it helps Trump or it brings him additional support, but that it hurts Cruz. The one thing standing between Trump and success in Iowa is Cruz. He attributes his success in becoming a Senator to her. She now turns against him." Mark Halperin of Bloomberg...