President Joe Biden blamed Republicans in Congress for the mass shooting in Louisville, Kentucky, on Monday. A gunman fatally shot at least four victims and injured at least six others, including a police officer, at Old National Bank. Biden began his statement by expressing gratitude to the Louisville Metropolitan Police Department officers “who quickly and courageously stepped into the line of fire to save others.” In his second paragraph, Biden blamed the mass shooting on Republican lawmakers not acting on gun reform. “How many more Americans must die before Republicans in Congress will act to protect our communities? It’s long...