Guardian: Democrats in the House of Representatives voted today to put Representative Henry Waxman, 69, of California in charge of the committee that supervises everything from prescription drugs to the environment. Waxman will head the House Energy and Commerce Committee, replacing Michigan Democratic Representative John Dingell, 82, the most senior member in the House. Today’s Democratic caucus secret ballot, 137-122 in favour of Waxman, mirrored a decision a day earlier by the …