 At the GOP National Convention. I feel really good about the security situation. That's Brian Schimming, chair of Wisconsin's Republican Party. Mr. Trump says he's torn up the speech he originally planned to give in favor of one focused on national unity. Correspondent Robert Costa is in Milwaukee. According to people who have spoken with former President Trump, they say he wants it to start on time and he might make an early appearance ahead of Thursday when he accepts the Republican Party's nomination.