The Obama campaign to air an ad hitting Romney on his tax returns and the 47%.
The AP looks at Obama's Medicare plan.
Politico talks to Sheldon Adelson.
Romney unveils his space plan.
Virgil Goode gets to stay on the Virginia ballot.
Voting by mail is underway in nearly half of the country.
A new report warns voting rule changes may deter 10 million Hispanics.
The effect of the Benghazi attack on intelligence-gathering in eastern Libya.
RIP, giant panda cub.