OPINION: Explosive revelations in Russia saga add up to a bad day for Trump

It would be hard to think of a more damaging day for a President than one on which his former campaign chairman disappeared behind bars for years to come. But Paul Manafort's new sentence was the least of Donald Trump's worries Wednesday as his Russia investigation nightmare took yet another turn for the worse.

New suspicions about dangled pardons, conflicting congressional testimony, implicit pleas for clemency and fresh suggestions of inappropriate presidential behavior delivered a new twist to the drama with Washington already on edge in anticipation of special counsel...