Volatility defines Democratic race as candidates flood Iowa

Democratic presidential candidates roared back into Iowa on Saturday touting fresh endorsements, critiquing their rivals and predicting victories in the caucuses that will soon launch the process of deciding who will challenge President Donald Trump.Sen. Elizabeth Warren said she was “delighted" to pick up a coveted endorsement from The Des Moines Register.The state's largest newspaper called the Massachusetts Democrat “the best leader for these times" and said she “is not the