
“Meet the Press” host David Gregory displays an unloaded high-capacity gun magazine during the talk show’s broadcast Sunday. (NBC)

Screen shot from "Meet the Press" of David Gregory speaking to Wayne LaPierre. (NBC)

Screen shot from "Meet the Press" of David Gregory speaking to Wayne LaPierre. (NBC)

Former Virginia Gov. Tim Kaine, right, waves to the audience after shaking hands with moderator David Gregory at the beginning of the 2012 U.S. Senate Debate on Thursday, Sept. 20, 2012 at the Capital One Conference Center in McLean, Va. (Barbara L. Salisbury/The Washington Times)

Former Virginia Gov. Tim Kaine, center, answers one of moderator David Gregory's questions while, at right, fellow candidate for U.S. Senate George Allen waits for his turn during the first debate for the two Virginia candidates at the Capital One Conference Center in Tysons Corner, Va., on Thursday, Sept. 20, 2012. This race has been considered one of the most competitive races in the country. (Barbara L. Salisbury/The Washington Times)

Six Republican presidential candidates — (from left) former Utah Gov. Jon Huntsman, former Pennsylvania Sen. Rick Santorum, former Massachusetts Gov. Mitt Romney, Texas Rep. Ron Paul, former House Speaker Newt Gingrich and Texas Gov. Rick Perry — listen to a question from David Gregory, moderator of NBC's "Meet the Press," during a GOP presidential candidate debate at the Capitol Center for the Arts in Concord, N.H., on Sunday, Jan. 8, 2012. (AP Photo/Charles Krupa)

"Meet the Press" host David Gregory (left) on Sunday interviews former Federal Reserve Chairman Alan Greenspan, who said he thinks the economy is in a modest recovery, but added that right now there's a "pause" in that recovery, so it feels like a "quasi-recession." (NBC via Associated Press)

"Meet the Press" moderator David Gregory (left) interviews former Federal Reserve Chairman Alan Greenspan on Sunday, Aug. 1, 2010. Mr. Greenspan said a rising stock market will do more to stimulate the economy than any of the remedies now being discussed. (AP Photo/NBC, Stephen J. Boitano)