That is potentially crucial because the biggest obstacle to enacting the measure is probably in the 50-50 Senate, where at least 10 GOP votes will be needed to attain the usual 60-vote threshold for approval. In a significant development, 20 senators, including 10 Republicans, released a statement calling for passage. Leaders hope to push any agreement into law quickly - they hope this month - before the political momentum fades that has been stirred by the recent mass shootings in Buffalo, New York, and Uvalde, Texas. Even so, if the accord leads to the enactment of legislation, it would signal a turn from years of gun massacres that have yielded little but stalemate in Congress. The proposal falls far short of tougher steps long sought by President Joe Biden and many Democrats. WASHINGTON - Senate bargainers announced a bipartisan framework Sunday responding to last month’s mass shootings, a modest breakthrough offering measured gun curbs and bolstered efforts to improve school safety and mental health programs.