Former first lady Michelle Obama delivered a blistering attack on President Donald Trump in giving the keynote speech of Monday’s opening night of Democrats’ virtual national convention, saying he has governed by “chaos” while displaying an “utter lack of empathy.”“Being president doesn’t change who you are. It reveals who you are,” she said.“Let me be as honest and clear as I possibly can: Donald Trump is the wrong president for our country,” Obama said of her husband’s successor. ”He has had more than enough time to prove that he can do the job, but he is clearly in over his head. He cannot …