Sanders appears on two shows, and top Trump aides will speak as well.
Trump is reportedly looking into using an NFL football stadium.
Kaine said "we’re getting near that point."
Sanders wants Connecticut Gov. Dannel Malloy and former Rep. Barney Frank ousted.
Lisa Hagen 05/28/16 10:06 AM EDT
Meet some of the candidates hoping to go against Hillary Clinton and Donald Trump.
Sanders cautioned against picking "a conservative or moderate-type Democrat."
"I happen to like Joe a lot, but I think that would be a very, very serious blunder."
Stuart Jolly is joining Great America PAC.
Jonathan Easley 05/28/16 09:04 AM EDT
Not too long ago, Republicans were calling for Reince Priebus's resignation.
"Hey, Donald, come on up. Let's have a debate about the future of America."