The host of one of the toughest quiz shows on TV can’t even get any of the questions right!  That’s right, “500 Questions” on ABC is so hard that the greatest Jeopardy! player ever, Ken Jennings, went down in 4 questions.  What makes a game like that so tough?  We had Dan Harris, ABC “Nightline” newsman and host of the challenging quiz show to help us better understand it.

Plus, Rob has a thing for one his of Good Morning America cohosts, and wants some inside scoop from the longtime TV newsman.