Former Sen. Rick Santorum, R-Pa., speaks during the leadership forum at the National Rifle Association's annual convention Friday, May 3, 2013 in Houston. (AP Photo/Steve Ueckert)
National Rifle Association's Institute for Legislative Action executive director Chris W. Cox speaks during the leadership forum at the National Rifle Association's annual convention Friday, May 3, 2013 in Houston. (AP Photo/Steve Ueckert)
Barry Bailey and his wife Judy, of DeRidder La., walk out hand-in-hand, after having their 1873 Winchester rifle appraised at the NRA's Antiques Guns and Gold Showcase during the National Rifle Association's 142 Annual Meetings and Exhibits at the George R. Brown Convention Center Thursday, May 2, 2013, in Houston. (AP Photo/Houston Chronicle, Johnny Hanson) ** FILE **
NRA attendee Janet Bero waits to have her German Luger appraised during the NRA's Antiques Guns and Gold Showcase during the National Rifle Association's 142 Annual Meetings and Exhibits at the George R. Brown Convention Center Thursday, May 2, 2013, in Houston. NRA's Antiques Guns and Gold Showcase is a television show that runs on the Sportsman Channel. The 2013 NRA Annual Meetings and Exhibits runs from Friday, May 3, through Sunday, May 5. More than 70,000 are expected to attend the event with more than 500 exhibitors represented. The convention will feature training and education demos, the Antiques Guns and Gold Showcase, book signings, speakers including Glenn Beck, Ted Nugent and Sarah Palin as well as NRA Youth Day on Sunday. (AP Photo/Houston Chronicle, Johnny Hanson)
The National Rifle Association's 142 Annual Meetings and Exhibits logo is placed on the George R. Brown Convention Center by Lynn Creel, left, and Don Reynolds of Display Graphics Wednesday, May 1, 2013, in Houston. The nation’s chief gun rights lobby is gathering in Houston this weekend for its annual convention (AP Photo/Houston Chronicle,Johnny Hanson )
Barry Bailey and his wife, Judy, of DeRidder, La., leave after having their 1873 Winchester rifle appraised at the National Rifle Association's Antiques Guns and Gold Showcase on May 2, 2013, during the NRA's 142 Annual Meetings and Exhibits at the George R. Brown Convention Center in Houston. (Associated Press/Houston Chronicle)
Barry Bailey, of DeRidder, La., gives his wife Judy a kiss, before having their 1873 Winchester rifle appraised at the National Rifle Association's Antiques Guns and Gold Showcase on May 2, 2013, during the NRA's 142 Annual Meetings and Exhibits at the George R. Brown Convention Center in Houston. (Associated Press/Houston Chronicle)
NRA attendee Janet Bero waits to have her German Luger appraised during the NRA's Antiques Guns and Gold Showcase during the National Rifle Association's 142 Annual Meetings and Exhibits at the George R. Brown Convention Center in Houston on May 2, 2013. (Associated Press/Houston Chronicle) ** FILE **
David Keene (left), president of the National Rifle Association, mingles with guests and representatives of The Washington Times at the newspaper's reception at the White House Correspondents' Association Dinner at the Washington Hilton Hotel in Washington on Saturday, April 27, 2013. (Andrew S. Geraci/The Washington Times)
Emily Miller, senior opinion editor of The Washington Times, greets David Keene, president of the National Rifle Association, at the newspaper's reception at the White House Correspondents' Association Dinner at the Washington Hilton Hotel in Washington on Saturday, April 27, 2013. (Andrew S. Geraci/The Washington Times)
Sen. Joe Manchin III, West Virginia Democrat (right), a lifelong hunter and NRA member, plans to "go to every gun show" in the country in his effort to convince doubters including NRA members of the Senate background-check bill's merit.
Simon Davids of Sacramento, Calif. plays a shooting game at a National Rifle Association booth in the downstairs exhibition hall at this year's Conservative Political Action Conference (C.P.A.C.) held at the Gaylord National Hotel, National Harbor, Md., Thursday, March 14, 2013. (Andrew Harnik/The Washington Times)
Sierra Baker of Murfreesboro, Tenn. plays a shooting game at a National Rifle Association booth in the downstairs exhibition hall at this year's Conservative Political Action Conference (C.P.A.C.) held at the Gaylord National Hotel, National Harbor, Md., Thursday, March 14, 2013. (Andrew Harnik/The Washington Times)