Actually his inviting some one from the Clinton's past, not the candidate, and by past we are talking in the 80s I think.

Cuban has been active in this campaign...2016...,donating and challenging Trump on taxes Eric.

Inviting Flowers is a gimmick...a personal gimmick which is typical. He intimidates, and for some reason people actually think he can intimidate heads of SOVERIEGN nations. Not going to happen, but the attempt will surely destroy any relations with them