NEW YORK — Mayor Eric Adams and several of his counterparts from other cities vowed Wednesday to hold five top U.S. weapon manufacturers accountable for their role in the country’s gun violence epidemic — and hinted that legal action against the firearm slingers could be forthcoming. The manufacturers — Glock, Taurus, Smith & Wesson, Ruger and Polymer80 — produced more than half of the guns used for crimes in New York and 11 other major U.S. cities last year, according to fresh data that Adams and a half-dozen fellow mayors unveiled during an afternoon press conference at Gracie Mansion. Adams…
