U.S. Rep. Michael Grimm plans to resign, Fox News confirmed Monday, one week after the Staten Island congressman admitted to federal tax evasion. Grimm, who was re-elected to a third term representing New York's 13th district in November, is expected to resign sometime this week. Grimm, a Republican, pleaded guilty on Dec. 23 in federal court in Brooklyn to one count of aiding in the filing of a tax return