 of the week, 7 to 11 p.m. Eastern Time is when the proceedings will get underway. And news reports say that Donald Trump Jr. could speak as well as the president's vice presidential pick. And again, there is buzz here in Milwaukee that that announcement comes today. Who are the top contenders? According to news reports, the Ohio Senator J.D. Vance, North Dakota's Governor Doug Burgum, and Senator Marco Rubio of Florida.