President Biden addressed the nation calling on Congress to act after the recent round of mass shootings in the country. “How much carnage are we willing to accept?” Biden asked. He called for raising the age to purchase assault weapons from 18 to 21 if lawmakers can’t agree on an outright ban of those firearms. Nicole Hockley lost her son Dylan in the 2012 Sandy Hook Elementary School shooting in Newtown, Connecticut. She’s also the CEO of Sandy Hook Promise which aims to protect children from gun violence. She tells Anderson Cooper she believes both sides can come together and make a difference.

Plus, the gunman who killed his surgeon, Dr. Preston Phillips, three others and himself in Tulsa, Oklahoma was found with a letter blaming his doctor for ongoing pain after his surgery. Dr. Ryan Parker is the Associate Medical Director at St. Francis Health System and just had lunch with Dr. Phillips on Tuesday. She joins AC360 to remember her friend and says he was a “consummate physician.”

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