By David Madden

LOWER MERION, Pa. (CBS) — A Pennsylvania state senator from Montgomery County has announced plans to seek the Congressional seat now held by Rep. Allyson Schwartz (D-Pa.), who is seriously pondering a run for governor next year against incumbent Republican Tom Corbett.

It should be noted here that Schwartz, on the record, will only say that if she runs against Corbett she won’t seek reelection to Congress — emphasis, at this point, on if.

That said, Daylin Leach wants to move from Harrisburg to Washington.

“I don’t think she talks about running for an office as serious as governor frivolously,” Leach told reporters today.  “I think she really means it when she says that.  I am acting as if she does, and I assume that’s what she means.  So I have a lot of work to do.”

Leach, an unabashed liberal, has served in the state legislature for the last decade and becomes the first candidate to officially enter the Congressional race.

This could become a crowded field, particularly among fellow Democrats in Montgomery County and Northeast Philadelphia.