david begnaud always finds the heart of the story. school speech coach with a gift that left her nearly speech less. she's retiring so david brought her to cbs studio in times square to thank her for what she's done. >> do you understand the trickle down effect that you have had. >> how so? >> some of your students are psychologists because they took interpersonal. some of your students are speech coaches because they took your speech class. some of your students are teachers because they learned from you. do you see the beauty of that? >> and that's a fulfillment, that's a gift. i know i speak for so many teachers. this is those are the things we live for. >> it would not be a david begnaud segment without some surprises. that's on "cbs mornings" at 7:00. let's go outside and talk to you in our community. there is much to talk about. >> that's right. good morning. we are in the outer richmond at simple pleasures cafe. they're talking about the political shake up at the >>> half past the 6:00 hour, president joe biden is out but who i

that was david begnaud reporting, and this is "cbs news roundup." >>> finally this half hour, the storymassachusetts man finding his voice again. marty kedian recently received a rare total larynx transplant. he's one of the first cancer patients to have this procedure, and our jarred hill checked in on his progress. >> reporter: marty kedian is so grateful he's regained his voice. >> i want people to know this can be done, and it's a process, but it's worth it. >> reporter: dozens of surgeries over a decade for a rare form of laryngeal cancer eventually robbed kedian of his ability to speak, swallow, and breathe normally. his wife, gina, found a clinical trial at the mayo clinic in arizona. dr. david lott determined marty was a good candidate, and surgeons removed his larynx and transplanted a donated one. >> my patients tell me, yeah, i may be alive, but i'm not really living. so to me, if you look at it from that perspective, being able to give that gift back to somebody, to me, that really is a vital organ. >> reporter: six surgeons performed the 21-hour transplant. using new micros

i'm david begnaud in new orleans. >>> and that's today's "cbs news roundup." for staying up late with us. i'm carissa lawson in new york. here are some of the stories we're tracking on "cbs news roundup." >>> president biden ignores calls to quit the campaign while house democrats spar over the president's political future. >>> hurricane beryl has left millions sweltering in high heat without power. >>> and europeans are saying enough is enough to the booming tourist trade. >>> president joe biden is hoping the nato summit under way in washington, d.c. this week will shift focus from his disappointing debate performance and questions over his health. meanwhile, a growing number of lawmakers are urging the president to drop out of the race. cbs's skyler henry has more from the white house. >> reporter: president biden delivered remarks at the nato summit in washington, his first major public address since his shaky presidential debate nearly two weeks ago. >> we're ready, that we're willing, we're able to deter aggression and defend every inch of nato territory

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