FILE - In this March 6, 2014, file photo, Sen. Marco Rubio, R-Fla., speaks at the Conservative Political Action Committee annual conference in National Harbor, Md. Pitching himself as an ally to Silicon Valley, Rubio proposed in an appearance on Monday, March 10, 2014, giving cellphone companies more access to government-controlled airwaves as part of a package of pro-business initiatives he said would create "thousands upon thousands of high-paying jobs." (AP Photo/Cliff Owen, File)