Former Defense Secretary Robert Gates at the Boy Scouts of America's annual meeting in 2014. "There's no certainty about any of this," he says of the situation in Iraq. Mark Zaleski/AP hide caption

itoggle caption Mark Zaleski/AP

Authorities investigate a shooting in the parking lot of the Twin Peaks restaurant Sunday in Waco, Texas. Bikers say that most of the 170 people arrested had nothing to do with the violence. Jerry Larson/AP hide caption

itoggle caption Jerry Larson/AP

Francisco Ramirez, a sexual-health educator, offers free advice to a passerby. Christopher Gregory for NPR hide caption

itoggle caption Christopher Gregory for NPR

TLC said Friday it has pulled all episodes of the long-running 19 Kids and Counting after reports surfaced that Josh Duggar, seen here in August 2014, had molested underage girls as a teen. Brian Frank/Reuters/Landov hide caption

itoggle caption Brian Frank/Reuters/Landov

What is pork roll? As one fan puts it, "It's like Spam meets bacon." This sandwich is one of many ways to eat the processed meat, a largely unsung specialty of New Jersey. via Wikimedia hide caption

itoggle caption via Wikimedia

In the five days of practice leading up to the Indy 500 qualifications, Ed Carpenter is the third driver to have his car flip upside down. Carpenter emerged from the crash unharmed. Jamie Gallagher/AP hide caption

itoggle caption Jamie Gallagher/AP

Former Sen. Rick Santorum, R-Pa., who was lagging in the polls in 2012 but ended up winning in Iowa, says debate criteria this time are too exclusive. Jae C. Hong/Associated Press hide caption

itoggle caption Jae C. Hong/Associated Press

Camden County Police Officer Virginia Matias and Officer Jose Vale often walk together when on foot patrol in Camden. Matias patrols sections of the city on foot so she can strike up conversations with business owners and residents. She says this makes her more familiar with what's going on than she would be if she stayed in her patrol car all day. Jeff Brady/NPR hide caption

itoggle caption Jeff Brady/NPR