buzz algren and fellow astronauts and the role of muslim americans in the world, later, a former cia intelligence officer on u.s. strategy against al-qaeda and afghanistan and starting at 8:00 pm eastern remembering the lives of william f. buckley, jr. and senator ted kennedy. >> now a senate hearing on the backlog of dna evidence collected for unsolved rape cases. tens of thousands of so-called rape kits across the country have not been tested. we'll hear about the justice for survivors of sexual assault act which provides incentives to local law enforcement agencies to process rape kits. patrick leahy of vermont chairs the judiciary committee. this is an hour and 45 minutes. ...