Sen. Joe Biden of Delaware is Barack Obama's
pick as vice presidential running mate, The Associated Press has
Biden, 65, is a veteran of more than three decades in the
Senate, and one of his party's leading experts on foreign policy,
an area in which polls indicate Obama needs help in his race
against Republican rival John McCain.
The official who spoke did so on condition of anonymity, saying
they did not want to pre-empt a text-message announcement the Obama campaign promised for Saturday morning.