Democrats dissect Lamb's win with an eye to November's races.

U.S. Democratic congressional candidate Conor Lamb is greeted by supporters at an election night rally in Pennsylvania’s 18th U.S. Congressional District special election against Republican candidate and state Rep. Rick Saccone, in Canonsburg, Pa., March 13, 2018. (Photo: Brendan McDermid/Reuters)

With Democrat Conor Lamb holding on to a margin of a few hundred votes in Tuesday’s special election to fill a Pennsylvania House seat, strategists from both parties were frantically seeking lessons in the outcome that will help them in the midterms this fall.

What combination of Lamb’s personal qualities, policy positions, grassroots organizing, labor-union support and disaffection with Donald Trump led to the apparent victory by the 33-year-old first-time candidate over Republican state representative Rick Saccone in an overwhelmingly Republican district on the West Virginia border?

By Garance Franke-Ruta. 

Full story at Yahoo News.