President Biden on Tuesday night said the “gun lobby” is responsible for US mass shootings and called for new gun control laws after a gunman murdered 18 children and two adults at an elementary school in Texas. “As a nation, we have to ask when in God’s name are we going to stand up to the gun lobby? When in God’s name will we do what we all know in our gut needs to be done?” Biden said in remarks from the White House just before 9 p.m. “It’s been 3,448 days — 10 years — since I stood up...