Newt's time is over and the juxtaposition of his appearance with David Gregory with Ryan's appearance one week later demonstrates it perfectly.
The quote of the exchange comes when Gregory challenges Ryan on polls that show a lack of support for his plan. After pointing to a need to lead rather than follow polls, Ryan delivers a smackdown:
"The Senate Democrats haven't even proposed or passed a budget for 753 days and we have a budget crisis."Ryan made Newt look even more sophomoric.
Compare that with Newt one week earlier: