Ideas of a third term for President Trump have been floated around by some lawmakers and allies of the president, but one ex-White House lawyer says this just isn’t possible. At least not without amending the Constitution.

Cable news commentator Bill O’Reilly dismissed the possibility of President Trump running for a third term, calling suggestions he could seek to stay in power unlikely. “That’s a fantasy,

Although President Trump has just returned to the White House for a second term, the wheels are already in motion for a third. If you think that sounds impossible — constitutionally prohibited, even — you’re not alone.