Whatever happens during the debates, Trump should NOT make fun of Hillary or he will be toast in the eyes of the American voters.
Donald, keep your cool or you will get burned.
It's a certainty that the cameras will be watching Trump for the slightest reaction and report negatively. Yeah, you're right, Trump should not react in the slightest. Well, maybe just brush his hair a tad with his hand and grin for a split second.