Axelrod said Biden and Obama were unaware of requests for more security at the consulate in Libya.

The Democrats’ effort to define Romney on national security echoes earlier strategy on domestic policy.

The timeline of events and the administration’s shifting explanations have become a major problem for Democrats.

Business groups want Congress to overhaul a rule that all cargo shipped to the United States be scanned.

In tweets to his 1.5 million followers, the former House speaker on Saturday said "no one died" at Watergate.

President Obama and his challenger Mitt Romney will spar over the Middle East, Iran, China and other foreign policy topics during their third – and last – debate on Oct. 22, the Commission of Presidential Debates announced Friday.

The administration said Biden and Obama didn't know of requests for more security in Libya.

“Our people cannot live in bunkers and do their jobs,” Hillary Clinton said.

House Democrats are defending the Obama administration's handling of last month's terrorist attack in Libya, arguing that the president's account changed only after the intelligence did. 

"The administration relies on the intelligence that it sees. It's not about bungling [the response], it's about getting information as it comes in," Rep. James McGovern (D-Mass.) told reporters in the Capitol on Friday. "And as the investigation's gone on, they learn different things. So this notion that somehow the administration didn't do the right thing, I think is just wrong."

McGovern's comments echo those of Vice President Biden, who said during Thursday night's debate that the administration's public statements about the attack simply reflected information provided by the intelligence community.