On The Glenn Show, Glenn and Corey consider how gay marriage moved from an abstract rights issue to a mainstream political cause. Does equal protection under the law provide a constitutional basis for marriage equality? Do African-Americans and the LGBT community face analogous levels of discrimination? Is there any rational basis for banning gay marriage? Glenn argues that gay people have experienced prejudice, but nothing analogous to the history of slavery.
Robert Wright talks with Nobel Prize-winning physicist Frank Wilczek, author of the new book Fundamentals, about the axion, a hypothesized particle that could explain why much of the universe’s mass seems to be missing.