Friday, November 2 at 8 p.m. — Explore the consequences for all Americans of the presidential and congressional elections.

Tuesday, August 14 & 28 at 10 p.m. — Probe one of the nation’s most polarizing issues and a key topic in the 2012 election: immigration.

Sunday, September 11 at 8 p.m. — Commemorating the 10th anniversary of the attacks of September 11, 2001.

Monday, March 22 at 9 p.m. — This program tries to determine why this small city has occupied the minds of so many for so long.

Tuesday, November 4 at 6 p.m. — Obama vs. McCain, a tightly contested presidential campaign that’s lasted two years.