AirTalk

Donald Trump challenged Hillary Clinton to release detailed medical records, meanwhile recent polls show the Republican candidate to be only a few points behind Clinton; as part of NPR's new series, "A Nation Engaged," AirTalk will look at America's role in the world throughout this week’s programming; and swimming with dolphins may soon be a tourist attraction of the past.

An alt-righter and others explain the movement few of us had heard of before this week; college students around the country are reacting to a letter from The University of Chicago warning incoming freshman that so-called "trigger warnings" won't be tolerated; plus, Larry & KPCC film critics Christy Lemire and Wade Major review this week’s new movie releases including a wide release horror called “Don’t Breathe."

A new, thought provoking study from UCI suggests our fears about leaving children alone are based much more on moral judgement about neglectful parents than on actual dangers faced by an unattended child; JPL scientists now believe there might not be as much flowing water on Mars as we thought; education experts break down the mission and efficacy of LAUSD's expanded magnet program; Plus, funk legend George Clinton stops by ahead of his September 17th concert at the Hollywood Bowl.

Hillary Clinton met with Clinton Foundation donors while Secretary of State, and some say that's "pay-to-play" politics; a potential new LAPD program looks to create a dialogue between the department and families of those killed by police; plus, why a proposed law in Italy could make vegan diets a form of child abuse.

Will Republicans conclude that Garland is the best choice to to fill the seat; kidnapping victim Elizabeth Smart says pornography made her "living hell worse" and is now campaigning against the "drug;" and learning to use smartphone and other tech apps to remedy the sleeping disorder.

Is Donald Trump rethinking his campaign promise to deport millions of people here illegally and how might such a move play with his core supporters? CA Senate Bill 1322 would change the way underage sex workers are charged; Plus, inside NPR's decision to drop reader comments from its website - have extreme comments made many comments sections unusable? And who benefits in the shift to social media?

After accusations of impropriety in his work with pro-Russian politicians, Trump's former campaign chairman resigned this morning; a bill in Sacramento could require institutions to to collect data on more groups under the label “Asian American,” but not everybody's happy about it; plus, Larry Mantle and KPCC film critics Andy Klein, Justin Chang, and Charles Solomon review this week’s new releases including “War Dogs” with Jonah Hill and Miles Teller. TGI-FilmWeek!

A proposed agreement between a community organization and Los Angeles World Airports could stop years of litigation; after a scandal at the Orange County DA's office, lawmakers in Sacramento are getting closer to passing a bill that could make it a felony for prosecutors to withhold evidence; plus, the author of 'Bobby Kennedy: The Making of a Liberal Icon' traces the political trajectory of the former Senator and presidential candidate.

Authorities have arrested a man they suspect is responsible for the Clayton fire in Northern California --what goes into tracking an arsonist?; Olympians are currently taxed for winning medals and for receiving cash bonuses, but new legislation could change that; and Trump has unveiled a vague plan he says will help shield the United States form terrorists.