WASHINGTON - SEPTEMBER 30:  Sen. Bernie Sanders (I-VT) speaks at a news conference presenting petitions to Congress signed by more than a hundred thousand seniors nationwide September 30, 2009 in Washington, DC. The petitions urge passage by Congress of a $250 one-time Cost of Living Adjustment Payment in 2010. Getty Images logo Getty Images 1 month ago

WASHINGTON - SEPTEMBER 30: Sen. Bernie Sanders (I-VT) speaks at a news conference presenting petitions to Congress signed by more than a hundred thousand seniors nationwide September 30, 2009 in Washington, DC. The petitions urge passage by Congress of a $250 one-time Cost of Living Adjustment Payment in 2010.