- Sanders files bill to strengthen, expand social security. “The most effective way to strengthen Social Security for the future is to eliminate the cap on the payroll tax on all income above $250,000 so millionaires and billionaires pay the same share as everyone else.” http://www.sanders.senate.gov/newsroom/press-releases/sanders-calls-on-congress-to-strengthen-and-expand-social-security 1867 comments politics