Pension-reform protests come to Charles Schwab's headquarters.

Byline: Dan Laidman

Apr. 1--SAN FRANCISCO -- Throngs of workers and senior citizens encircled a city block in the financial district Thursday to protest proposed changes to Social Security and California's pension system.

The protest outside the headquarters of Charles Schwab Corp., a financial services firm, was part of a nationwide volley of demonstrations sponsored by organized labor in response to President Bush's proposed overhaul of Social Security.

The San Francisco protest, led by the California Labor Federation, was notable for the way the speakers blended attacks on the president's plan with denunciations of Gov. Arnold Schwarzenegger's …