The heir apparent to the most senior Jewish member of Congress has officially launched his campaign.

Micah Lasher debuted a video Monday making the pitch for why he should replace his mentor Jerry Nadler in representing New York’s 12th Congressional District in Washington, D.C. The two-minute ad shows him strolling through Manhattan’s Riverside Park and vowing to fight back against Donald Trump.

Nadler, 78, announced earlier this month that he would not seek reelection after 33 years representing a district that is one of the most Jewish in the United States , covering the Upper West and Upper East sides and all of Midtown Manhattan, and is seen as a “crown jewel” of New York politics. He cited the need for a changing of the guard in the Democratic Party.

Lasher, who is Jewish, sa

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