Celebrity “Shark Tank” show’s Mark Cuban said he is “seriously considering” running for the White House in 2020, Donald Trump be danged. Now there’s a race that should be interesting to watch. If it ever happens, of course. Which is may, or may not, or could, or very well won’t, apparently depending on the time of day, record of interview, and heat of the moment. In other words: Make up your mind already. Or shhhh.