tment report mentioned no such violations, Senator Kelly Ayotte, Republican of New Hampshire, asked senior military leaders at a hearing if a newspaper report on treaty violations was true. Adm. James A. Winnefeld Jr., the vice chairman of the Joint Chiefs of Staff, said he could not answer in an unclassified briefing.        </p><p itemprop="articleBody">
Such violations would make it unwise to pursue further nuclear arms cuts with Russia, Ms. Ayotte said. “Given the behavior of Russia, I think it is at 