Former presidential candidate George McGovern is the subject of a new documentary that brings the issues of 1972 back to prominence during a time when they're as relevant as they ever were.
Although President Bush has praised conservative judges for their "judicial restraint" and promised to nominate more justices like Antonin Scalia, constitutional scholar Thomas Keck argues that this is the most activist Supreme Court in history.
An expert on insurgencies talks about what history tells us about rebellions like the one in Iraq, why the U.S. seemed unprepared for the violent opposition there, and why the killing might not stop for decades.