The data guru said "trouble is absolutely brewing" for the GOP ahead of the midterms. CNN ’s chief data analyst Harry Enten on Monday declared that history is on the Democrats ’ side as House Republicans are “running for the exits” and retiring in record numbers ahead of the midterms. “You don’t run for the exits unless you know trouble is brewing. And House Republicans , so far, believe trouble is absolutely brewing,” Enten said. Just days after Rep. Sam Graves (R-Mo.) announced that he won’t