 Speaking from his adopted home state, Trump will focus his remarks on the economy and high inflation, as well as the flow of migrants at the border. The rally is also drawing great interest, as Trump is expected to soon announce his choice for a running mate. He has often said he intends to unveil his pick to be vice president before or during the convention. And many eyes will be on Florida Senator Marco Rubio, who has emerged as one of the favorites on Trump's shortlist of potential VP candidates.