"I truly don't hate him at all. I just think he was and would be a lousy president," billionaire Mark Cuban said of former President Donald Trump.Brian Fluharty via Getty Images; Kevin Dietsch via Getty ImagesMark Cuban has been on a media blitz campaigning for Vice President Kamala Harris.He criticized Donald Trump during an interview with Fox Business on Friday.Cuban said Trump was a "lousy president" and "he'll be a worse president this time."Mark Cuban had more criticism for former President Donald Trump on Friday as the billionaire continues his media blitz to support Vice President Kamala Harris's campaign.Cuban told Fox Business's Neil Cavuto on Friday that Trump is someone he would spend time with but that he wouldn't support him for president."I mean, if he wants to go to dinner, he wants to have a drink one night.