WASHINGTON, DC - SEPTEMBER 07: Speaker of the House Paul Ryan (L) (R-WI) answers questions on congressional funding for battling the Zika virus during a press conferece at the U.S. Capitol September 7, 2016 in Washington, DC. House Republicans and House Democrats continue to battle over the wording of the legislation designed to stem the effects of the virus. Also pictured are (L-R) Rep. Lynn Jenkins (R-KS), House Majority Leader Kevin McCarthy (R-CA), and Rep. Steve Scalise (R-LA). (Photo by Win McNamee/Getty Images)