President Obama will host Hillary Rodham Clinton, his one-time campaign foe who later served as his secretary of state, at lunch Monday at the White House. Obama and Clinton will meet for a lunch in the president’s private dining room, the White House announced Sunday. Their meeting will be closed to the press. Clinton stepped down on as secretary of state on Feb. 1, after serving for four years as the nation’s top diplomat. In the weeks following her departure from the State Department, Obama hosted Clinton and her husband, former President Bill Clinton, at a private dinner at the...