Claudia Sheinbaum to be sworn in as the 1st female president of Mexico The 62-year-old scientist turned politician campaigned on a promise to protect an expanded social safety net and fight for the poor like her predecessor, but she faces many pressing problems. Read more on NPR

Dockworkers begin walking picket lines, risking to snarl East and Gulf Coast ports Union dockworkers at ports across the U.S. began walking picket lines early Tuesday, threatening to halt the movement of billions of dollars’ worth of goods. Read more on NPR

‘America’s Nobel’ goes to a power couple who made a startling discovery about HIV This year’s Lasker Prize for public service goes to South African researchers Salim and Quarraisha Abdool-Karim. The married couple made a startling discovery about HIV — and did something about it. Read more on NPR

Israel Widens Its Airstrikes in Lebanon, How Will Iran Respond? Israel began a series of attacks against the Lebanese militant group Hezbollah with pagers and walkie talkies that exploded. They then launched airstrikes targeting the group’s leadership. One strike killed Hezbollah’s leader of over thirty years, Hassan Nasrallah. The attacks are an effort to prevent…