- Rep. Michael Grimm will resign effective Jan. 5, he announced Monday night
- He plead guilty to tax evasion but had resisted calls to resign
- The congressman narrowly won re-election after being hit with a 20-count indictment
- House Speaker John Boehner called Grimm's decision to step down "honorable"
Washington (CNN)Rep. Michael Grimm announced late Monday night plans to resign from Congress, after pleading guilty to a felony tax evasion charge last week.