4.1 - 20 Hours in America, part I
4.2 - 20 Hours in America, part II
4.3 - College Kids
4.4 - The Red Mass
4.5 - Debate Camp
4.6 - Game On
4.7 - Election Night
4.8 - Process Stories
4.9 - Swiss Diplomacy
4.10 - Arctic Radar
4.11 - Holy Night
4.12 - Guns Not Butter
4.13 - The Long Goodbye
4.14 - Inauguration Part I
4.15 - Inauguration: Over There
4.16 - The California 47th
4.17 - Red Haven's on Fire
4.18 - Privateers
4.19 - Angel Maintenance
4.20 - Evidence of Things Not Seen
4.21 - Life on Mars
4.22 - Commencement
4.23 - 25