Michael Rubin, Ted Bromund, Matt Continetti, Bill Gertz

MICHAEL RUBIN, of the American Enterprise Institute, discusses the US credibility in deterring a nuclear Iran.

TED BROMUND, of the Heritage Foundation, exposes the dangers that the newly signed U.N. Arms Treaty poses to U.S. citizens' constitutional rights.

MATT CONTINETTI, editor-in-chief of the Washington Free Beacon, talks about Sen. Ted Cruz and the destruction of personalities by the "Washington establishment."

BILL GERTZ, senior editor of the Washington Free Beacon, talks about the Russian and Chinese war games, as well as the apparent desire by the two nations to challenge Western security.