WASHINGTON, DC - MAY 20: (L-R) Senate Judiciary Committee Chairman Patrick Leahy (D-VT), Sen. Charles Grassley (R-IA) (back to camera), Sen. Dianne Feinstein (D-CA) and Sen. Richard Durbin (D-IL) debate during a markup session for the immigration reform legislation now before the committee in the Hart Senate Office Building on Capitol Hill May 20, 2013 in Washington, DC. The Judiciary Committee is hoping to wrap up work on the landmark immigration reform bill this week after wading through the 300 amendments that were filed to the bipartisan bill. (Photo by Chip Somodevilla/Getty Images)Sen. Dianne Feinstein, D-Calif., reportedly made a comparison between “boatloads of Jewish immigrants” turned away from the U.S. as they attempted escape from Nazi Germany during World War II and the current influx of illegal immigrants coming across the border today. (Photo by Chip Somodevilla/Getty Images)