David Von Drehle on President Obama vs. President McCain.
The next president should have a science adviser.
CATCHING UP:
* The British commander in Afghanistan resigns.
* On the ground in Afghanistan, fighting to save a civilian's life.
* Will San Francisco decriminalize prostitution?
* Did the debates matter?
* Will Hawaii rewrite its consitution again?
* Why piracy is thriving in Somalia.
* Bad news for the Phoenix lander.
* The AV Club goes in search of a new horror classic.
New insights into the social lives of sabretooths.
Famed author Studs Terkel passed away.
