Trump Pushes a Conspiracy Theory and Falsely Accuses a TV Host of Murder

WASHINGTON — President Trump smeared a prominent television host on Tuesday from the lectern in the Rose Garden with an unfounded allegation of murder, taking the politics of rage and conspiracy theory to a new level even as much of the political world barely took notice. In an attack that once would have been unthinkable for a sitting president, Mr. Trump all but accused Joe Scarborough, a former Republican congressman who now hosts the MSNBC…