Massachusetts Democrat John Tierney Moved to Lean Republican

Stuart Rothenberg October 13, 2012 · 10:31 PM EDT

Veteran Democratic Rep. John Tierney (D) is up with a good TV spot addressing his family’s legal problems, but it looks like too little, too late. Tierney has cancelled his final weeks of TV, and polls show him trailing challenger Richard Tisei (R), who we have regarded for months as a very strong challenger. Move from Toss-up to Lean Republican, as it increasingly looks like a GOP takeover next month.