Vice President Kamala Harris' search for a running mate is quickly coming to a close, but Democrats remain divided over who should join her on the party ticket.Pennsylvania Gov. Josh Shapiro is widely considered to be the top contender, but she reportedly conducted interviews with a number of finalists on Sunday. Harris is scheduled to make her first appearance with her running mate at a rally in Philadelphia on Tuesday.The three contenders that Harris spoke to on Sunday were Shapiro, Gov. Tim Walz of Minnesota, and Sen. Mark Kelly of Arizona, according to CNN.Figures within the Democratic Party are deeply