Mark Cuban ready to put cash on the line if Trump 'belly laughs' before election

In the years since Donald Trump has been in the political world, has he ever actually laughed? That's the question being asked by a potential Kamala Harris Vice Presidential nominee, and now by Mark Cuban. And the billionaire is willing to put money on it.

The debate was started by Minnesota's Democratic Governor Tim Walz, who recently taunted Fox News for the fact that the Republican Party is unable to shed its elderly and unpopular presidential nominee, Trump. Walz is thought to be...