WASHINGTON, DC - SEPTEMBER 10:  U.S. Sen. Ted Cruz (R-TX) (L) and Sen. Rand Paul (R-KY) wait to speak at the "Exempt America from Obamacare" rally,  on Capitol Hill, September 10, 2013 in Washington, DC. Some conservative lawmakers are making a push to try to defund the health care law as part of the debates over the budget and funding the federal government. (Photo by Drew Angerer/Getty Images)