Bay Area Congresswoman Ellen Tauscher was confirmed by the Senate late Thursday as under secretary for Arms Control and International Security at the U.S. State Department. President Obama nominated Tauscher, D-Alamo, for the position in March. She will now advise the president and Secretary of State Hillary Clinton on global security, weapons proliferation and arms control. Tauscher told the House of Representatives this morning that she will resign her 10th Congressional District seat -- which includes parts of Contra Costa, Alameda, Solano and Sacramento counties -- at the end of the day. "I am deeply grateful for the trust that...