A Chicago judge will hear arguments on Friday over the Texas senator's Canadian birth.
The Republicans start at 8 p.m. ET on CNN, the Democrats at 9 on MSNBC.
The candidates talked about more than their policy positions on Wednesday. Case in point: Marco Rubio likes EDM.
The group of CIA, FBI, DEA and military intelligence officials wrote an open letter to the 2016 field.
The next presidential primary will be held in South Carolina on Saturday.
First Cruz attacked "New York values." Then he admired Trump's "chutzpah." What's he getting at?
Republican candidates called each other liars at a debate that saw little consensus, except on delaying a Supreme Court nomination.
Justice Antonin Scalia's death puts all three branches of government in play.
Former Virginia Governor Jim Gilmore is the only GOP candidate who didn't earn a spot onstage.
Unlike other debates, ABC News will not hold an undercard for low-polling candidates.
In the last debate before the New Hampshire primary, Clinton came prepared for Sanders's critiques.
The Washington Post reported that Carson planned to eliminate 50 staff positions, or nearly one-half his staff.
In a Wednesday email, the candidate accused the media of spreading "false" and "misleading" information.
Trump this week has switched his rhetoric from blaming his second-place win in Iowa on his recent decisions, to attacking Ted Cruz for "fraud" in the state.
The president will visit the Islamic Society of Baltimore Wednesday to meet with community leaders and give remarks.
Asked by a reporter if he felt at all bad about the results in Iowa, the GOP candidate said: "There's a tinge."