Margaret Sullivan: Fact-checking Trump is not enough

It's a tsunami of lies.It's an avalanche of falsehoods. It's a deluge, a torrent, a rockslide, a barrage, an onslaught, a blitzkrieg.President Donald Trump has made more than 10,000 false or misleading statements since becoming president — on the size of the inaugural crowd, the number of steel plants being built in America and whether he knew about hush-money payments to Stormy Daniels, to name just three.And as unbelievable as it sounds, the tempo is picking up dramatically.On Tuesday, a