SAN FRANCISCO — Don't believe the hype, says U.S. Sen. Barbara Boxer. Social Security is not "in crisis," "almost bankrupt" or "collapsing" as the Bush Administration claims, Boxer, D-Calif., told several dozen senior citizens and reporters gathered Friday at the San Francisco Senior Center on Beach Street. Conservative estimates say the system can keep paying out full benefits for 38 more years if nothing at all is done, she noted — that means workers now 37 or older would be fully funded until age 75. But nobody's suggesting not doing anything at all, she added. "Yes, there is a challenge...