Associated Press
From left, Sen. Tom Harkin, D-Iowa, Sen. Sherrod Brown, D-Ohio, and Sen. Jack Reed, D-R.I., are backed up by students during a news conference on Capitol Hill in Washington, Tuesday, May 8, 2012, as the Senate moved toward a showdown on a Democratic proposal to keep federally subsidized loan interest rates from doubling for millions of college students.  (AP Photo/J. Scott Applewhite)

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