Sen. Joe Biden (D-DE) has announced his candidacy for President. Here's what you need to know: A member of the Senate since age 30, Biden unsuccessfully ran for President in 1986 that ended with accusations of plagiarism As the new chairman of the Senate Foreign Relations Committee, he is planning some long-awaited oversight hearings on the Iraq war. He also has his own exit strategy that calls for a unified Iraq split into three regional areas and the removal of most troops by the end of this year. He has great hair (plugs?) and a great big ego that fuels the occasional crazy tirade.