Outgoing acting Internal Revenue Service Commissioner Steven Miller. Nicholas Kamm /AFP/Getty Images hide caption

itoggle caption Nicholas Kamm /AFP/Getty Images

Rep. Charles Rangel listens during a news conference in August 2010 at his Harlem office in New York. Bebeto Matthews/AP hide caption

itoggle caption Bebeto Matthews/AP

U.S. Communists have been running for office for decades. Above, the Party's presidential ticket in 1936. Ken Rudin collection hide caption

itoggle caption Ken Rudin collection