Gov. Chris Christie of New Jersey, a once-commanding figure in the Republican Party who struggled to attract support for his presidential campaign, but unsettled the race with his strident attacks on Senator Marco Rubio of Florida, is ending his run for the White House. Mr. Christie has told allies that he plans to suspend his campaign, according to two people briefed on his intentions, and is meeting with his staff on Wednesday to discuss the decision/New York Times. More here.