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FILE - In this Sept. 13, 2009 file photo, Yale University President Richard C. Levin speaks in New Haven, Conn. The Associated Press revealed Saturday that NYPD officers had kept close watch on websites and blogs maintained by Muslim student associations across the northeast U.S. Levin on Monday, Feb. 20, 2012 said in a statement that monitoring of students based on religion was "antithetical" to the schools' values. New York Mayor Michael Bloomberg defended the practice, saying there is nothing wrong with officers keeping an eye on websites that are available to the general public. (AP Photo/Thomas Cain, File)

Monitoring of Muslim students sparks outrage

New York City's mayor faced off with the president of Yale University on Feb. 20 over efforts by the city's police department to monitor Muslim student groups. NYPD has kept close watch on Muslim student associations across the Northeast, which included daily tracking of student websites and blogs.