Obamas visit Biden family after death of vice president's son

Delaware Attorney General Beau Biden, son of U.S. Vice President Joe Biden, addresses the final session of the Democratic National Convention in Charlotte, North Carolina September 6, 2012. REUTERS/Jason Reed

WASHINGTON (Reuters) - U.S. President Barack Obama visited Vice President Joe Biden and his family on Sunday to offer condolences after the death of Biden's son, Beau.

Beau Biden, 46, who served eight years as attorney general of Delaware, died on Saturday after a recurrence of brain cancer.