Donald Trump may be shaking in his boots over his upcoming debate against Vice President Kamala Harris. During the Friday, August 23, episode of HBO’s Real Time with Bill Maher, CNN’s Kaitlan Collins gave her take on what may be going through the Republican candidate’s head before facing off against the Democratic nominee during the big event on September 10. “I think Trump is nervous about it. I talk to a lot of sources in his world. I think he has really struggled with it. It’s not just a narrative or a talking point from Democrats,” the journalist told Bill Maher and fellow panelists Democr…