| With New York available as of yesterday, I took no time to do a map losing one district. My findings are that they're probably going to have to axe one of the upstate districts, and I chose NY-23.
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NY-01 through NY-17 - These districts didn't change much, if any. All safe D, except for NY-01, which leans D, NY-03, which leans R, and NY-13, which is a swing district.
NY-18 (purple, Westchester-based district; Nita Lowey - D) - Picks up Republican Putnam County, which should be balanced out by Westchester.
NY-19 (ugly green Dutchess/Orange district; John Hall - D) - Loses Putnam and is basically all of Orange and Dutchess now, making it slightly more Democratic.
NY-20 (brown, Scott Murphy - D) - Chopped off the southern part of the district and added parts of NY-23. A couple points more Democratic now.
NY-21 (pink, Albany-based district; Paul Tonko - D) - Slightly more Republican due to some Republican parts of NY-23 added, but still safe D.
NY-22 (dark red, Maurice Hinchey - D) - Lost quite a bit of Dem territory, but still Dem-leaning.
NY-23 (pink, backwards-C shaped district, Eric Massa - D, formerly NY-29) - Cut out a lot of the Republican parts and added Tompkins, Seneca, and more of Monroe. Probably won by Obama now.
NY-24 (dark purple, Mike Arcuri - D) - Still a 50-50 district. If Scozzafava wins in NY-23, she'll be in this district, so Arcuri's going to have to learn how to campaign better.
NY-25 (pale green in the middle of the state, Dan Maffei - D) - Picked up Cortland and part of Chenango. Probably a little more R now, but still leans D.
NY-26 (grey, Chris Lee - R) - Safe R district! Pretty much every Republican county in Western NY.
NY-27 (dark pink, Erie-based; Brian Higgins - D) - Didn't change much.
NY-28 (green, Niagra/Orleans/Monroe/Erie district, Louise Slaughter - D) - Nor this one.
So, there you have it. If the Democrats pick up NY-23 this year, it's going to be hard for them to preserve the district, because NY-29 has a lot of Republican territory that would have to be split up.