Hawaii's 1st district special election -- set for May 22 -- appears to be a growing problem for House Democrats. The Cook Political Report, an independent political handicapper, moved the race from "lean Democrat" to "toss up" on Thursday, citing the "low hurdle" that Honolulu City Councilman Charle Djou (R) must clear to win. (The Fix ranked Hawaii's 1st district as the 17th most likely district to switch parties in our latest Line.) All three major candidates -- Djou as well as Democrats Colleen Hanabusa, a state senator, and Ed Case, a former member of Congress -- will appear on...