http://www.lbnelert.com/wp-content/uploads/2011/09/911-Threat.jpg9/11 TERRORISM THREATS CREDIBLE: Vice President Joe Biden says authorities on alert for a Sept. 11 anniversary terror threat are more worried about “a lone actor” with a bomb than an extremely complicated plot like the airliner attacks on the twin towers and the Pentagon. Biden says new information about a possible plot for a car bombing in Washington or New York comes from a “credible source” but isn’t confirmed. Biden says there’s “no certitude.” He says the government is doing everything possible to guard against any attack, and “all hands are on deck.”