ban, saying it makes no sense that people can purchase a weapon that fires up to 300 rounds. he called on congress to cooperate and said his powers alone don t go that far. this on a day he also urged our country to unite, honoring sacrifice of our troops. president biden remembering americans who made the ultimate sacrifice in what he called a sacred memorial day ritual. we must never betray the lives laid down to make our nation a beacon to the world, a citadel of liberty and justice for everyone. reporter: biden marked the importance of defending democracy amid russia s war in ukraine. also mourned on the anniversary of his son beau s deathed, a veteran who died of brain cancer. biden addressed the families of the 2,461 service members who lost their lives in afghanistan but made no mention of the 13 who died under his watch during the withdrawal, the only armed forces to die by enemy attack since he took office. the ceremonies coming one day after biden privately grie