Prolific libertarian author James Bovard discusses the Waco massacre on its 22nd anniversary, and why the Danforth Report is nothing but an official coverup of the government's crimes.

Roger Charles, coauthor of Oklahoma City: What the Investigation Missed -- and Why It Still Matters, discusses Andrew Gumbel's article in The Guardian about the key questions remaining unanswered 20 years after the Oklahoma City bombing.

Ray McGovern, a former CIA analyst turned peace activist, talks at length about Russia, Iran, Israel, Syria, Ukraine, and the neocon chaos promotion in the Mideast.

Blogger Marcy Wheeler discusses the trial of Boston bomber suspect Dzhokhar Tsarnaev and the many unanswered questions about the attack and the FBI's failure to prevent it.

Gareth Porter, an award-winning journalist and historian, debunks the "possible military dimensions" of Iran's nuclear program.

Yousaf Butt, director of the Emerging Technologies program at the Cultural Intelligence Institute, discusses the many poison pills in the Iran nuclear agreement.

Sheldon Richman, vice president of The Future of Freedom Foundation, discusses why the real nuclear threat in the Middle East is Israel - not Iran.