Oh, that highlighted line has to be the most awful thing I've ever seen anyone say about another person. Boy, that's really mean.
"While I feel deeply for the loss of his son, Mr. Khan who has never met me has no right to stand in front of millions of people and claim I have never read the Constitution, (which is false) and say many other inaccurate things".
When Obama said the Cambridge Police "acted stupidly", that is nothing compared to such a foul mouth mean-spirited rant by Trump.