The U.S. House on Friday responded to the mass murders in Buffalo, New York, and Uvalde, Texas, by acting to stem gun violence by making it harder for some individuals to buy weapons and increasing mental health services. The 234-193 vote sent the legislation to President Joe Biden, who has promised to sign the bill. The House action came a day after 15 Senate Republicans crossed party lines and joined all 50 Democrats and Democratic-aligned independents in approving the legislation, including U.S. Sens. Cory Booker and Robert Menendez. All 10 House Democrats from New Jersey voted yes. “When C…