Season 18

1. An Appreciation of People We Lost in 2009

2. Al Qaeda in Yemen; Henry Crumpton

15. Mika Brzezinski; Actor Gabourey Sidibe

16. Politics of America; the Next Step With Iran

17. Political Update; Mark Halperin & John Heilemann

38. Vice Chairman Emeritus of JP Morgan Chase Alan Greenberg; Actor Philip Seymour Hoffman; writer Charlie Kaufman

244. Hugh Masekela / Yusuf Islam / Frances Osborne