Theres not a whole lot of love lost between Donald Trump and Mark Cuban these days. Now, the tech billionaire if offering to shell out $10 million to a charity of Trumps choice if hell actually offer detailed responses to Cubans questions about his economic policy proposals. The latest in a string of spats between Trump and Cuban, who has been a vocal critic of the Republican nominee during this election cycle, began with Cubans comments on Fox Business last week.