Davidson takes on Lawler on Indian Point, immigration and Trump in NY-17's swing district battle for the Democratic nomination

A poll commissioned by her campaign showed her in the lead, but with 45% of the Democratic electorate undecided three months before the June 23 primary

As the sun rose on a chilly March morning, Rockland County Legislator Beth Davidson and three volunteers arrived at the Chappaqua train station to collect petition signatures in her bid for the Democratic nomination to face Rep. Mike Lawler in November.

As commuters rushed to make their train, the upbeat Davidson introduced herself with a smile, wave or …