<p>MoveOn wants to get New Yorkers opposed to the Iran deal moving against Sen. Chuck Schumer, their senior senator and the highest-ranking Democrat to oppose the controversial nuclear agreement.</p><p>According to details shared first with POLITICO, the liberal advocacy organization’s political action arm will next week launch a member-backed mobile billboard, dubbed the “SchumerMobile,” that will drive around New York City for five days in an attempt to publicly admonish Schumer and other Democrats who are pondering how they will vote next month on the resolution. </p><p>“The more people gather, the more likely we'll also be able to reach the many undecided Democrats around the country who haven't yet chosen diplomacy over war — and who may be considering joining Sen.