 UVA political analyst Larry Sabato. The Republicans start on a gigantic high as they begin their convention, and Democrats are wondering what in the heck they're going to do. Nikki Haley is scheduled to speak at the convention today. CBS News Special Report. I'm Deborah Rodriguez. 7.32. In the meantime, the investigation into Saturday's assassination attempt is moving forward. WTOP National Security Correspondent J.J. Green with some of the latest developments.