Forget Barack and Michelle Obama’s fist bump. Sen. Joe Biden, D-Del., and Annette Lantos, wife of the late Rep. Tom Lantos, D-Calif., are here with the head bump. The two exchanged the forehead-to-forehead salute at the White House on Wednesday during the signing of the Tom Lantos and Henry Hyde United States Global Leadership Against HIV/AIDS, Tuberculosis and Malaria Reauthorization Act of 2008. – Carrie Devorah/For The Examiner