Ten Republicans. Ten Democrats. One bipartisan gun-control deal. Could this be the last chance for any meaningful action on federal gun reform?Read More: Over the weekend, Republicans and Democrats announced a monumental agreement on addressing gun violence. They had a nine-point plan that included provisions that would prevent gun sales to a broader group of domestic violence offenders (closing what is called the “boyfriend loophole”), and criminal background checks for gun buyers under 21 would require checks of juvenile justice and mental health records. A federal grant program would also encourage states to implement red-flag laws.Leigh Ann Caldwell, who covers Congress and also writes The Post’s Early 202 newsletter on politics, explains the policy proposals in the Senate framework. She shares the political calculations that led to this rare bipartisan moment and what the future could hold for more legislation on guns.