Sen. Kirsten Gillibrand on Thursday endorsed Joe Biden for president, joining several other former White House hopefuls in uniting behind the frontrunner in the Democratic race. Gillibrand, the junior senator to New York, ended her campaign for president in August. She threw her support to the former vice president on the same day that Hawaii Rep. Tulsi Gabbard dropped out and endorsed him. Gillibrand said in a statement: “It is clear that our country desperately needs a president with experience, honesty and integrity — that person is Vice President Joe Biden. Not only does Joe have the experience to lead...