NEW YORK - More than 100 nationwide Muslim groups are encouraging U.S. Attorney General Eric Holder to investigate the NYPD's surveillance of Islamic communities in New York. Activists have protested the alleged security measures, especially after the Associated Press revealed that the NYPD had been spying on thousands of Shiite Muslims at mosques and universities. Holder's office says the Justice Department is aware of the allegations and is in the process of reviewing the requests. Records: NYPD monitored Muslims across LI