Vice President Harris – Amid rising tensions in the Middle East, correspondent Bill Whitakerinterviews Vice President of the United States Kamala Harrisin the Eisenhower Executive Office building. Whitaker speaks with the Vice President about the situation in Israel and Gaza in the wake of the Hamas terror attack, and travels with her aboard Air Force Two to see her discuss important domestic issues, including gun violence prevention and immigration, while advocating for the Biden administration's policy agenda at a college in Nevada. Marc Lieberman is the producer.

A Quiet Invasion – Days after Russia invaded Ukraine, the country of Georgia applied for membership to the European Union, fearing that it could become Vladimir Putin's next target. Correspondent Sharyn Alfonsimeets with Georgian President Salome Zourabichvili in Tbilisi to discuss that E-U bid, the presence of Russian troops inside Georgia's borders, the recent influx of Russian residents and Kremlin influenced politics and propaganda, signaling a quiet invasion that she says is threatening the future of her country. Ashley Velie is the producer.

The Air We Breathe –With a new strain of COVID-19 on the rise and flu season just getting started, Dr. Jon LaPookspotlights how lessons from the pandemic about the quality of indoor air are leading building owners to adopt new workplace air and ventilation systems to help contain contagious respiratory viruses. Andrew Wolff is the producer.

 The State of the Blues –Jon Wertheimreports from the town of Clarksdale, Miss., where the Delta blues first flourished and where local musicians have been carrying on the blues tradition for generations. In recent years, there's been something of a renaissance in Clarksdale, as new fans and young blues artists have rediscovered the place. Wertheim meets Clarksdale native Christone "Kingfish" Ingram, heir to a long line of blues greats from the Delta – with surprise guest, actor and local blues club ownerMorgan Freeman. This is a double-length segment. David M. Levine is the producer.

Iran's Assassins –While Iran's backing of Hamas in Gaza and Hezbollah in Lebanon is widely known, the regime is quietly carrying out a shadow war in the U.S. and Europe, deploying proxy assassins to silence or eliminate critics of the regime. Britain's head of counter-terrorism policing,Matt Jukes, tells correspondent Lesley Stahl they're noticing a significant uptick in Iran's efforts. In the U.S., Stahl meets some of the targets, including former White House national security adviser John Bolton and Iranian American activist Masih Alinejad. Shachar Bar-On is the producer.

The Heritage War –CorrespondentBill Whitaker reports from Kyiv on Russia's continued war and what Ukrainians say is the deliberate destruction and looting of the country's museums, churches and monuments – a strategy believed to come straight from the Kremlin – and a potential war crime. Whitaker tours the remains of shelled churches and bombed libraries, and speaks with museum workers who are risking their lives to save Ukraine's heritage. Heather Abbott is the producer.

Horse Racing Reform? –As the Justice Department winds down one of the biggest horse doping investigations in U.S. history, correspondent Cecilia Vega examines the wiretaps that helped solve the case and convict dozens of veterinarians, horse trainers and drug distributors. Lisa Lazarus, the woman heading up the new national regulator tasked with cleaning up horse racing, sits down with Vega to discuss the moment of reckoning and the sport's future. Sarah Koch is the producer.