Carrie Johnson -- 4 Muslim Men To Sue Feds Over No-Fly List --- They say they were placed on the list for refusing to inform on other Muslims. The suit is part of a broad wave of cases challenging the secretive no-fly list and U.S. counterterrorism strategies. --- Renee Montagne: Here's the eternal debate in a free country: How to protect the nation while also protecting our rights. -- INSKEEP: More than a dozen years after the 9/11 attacks, we are still debating who should be on security watch lists. --- MONTAGNE: Today, four men with no criminal records are suing FBI and Homeland Security officials. -- INSKEEP: They say they were put on the no-fly-list after refusing to act as informants on other Muslims. --- NPR's Carrie Johnson reports. --- CARRIE JOHNSON, BYLINE: At 30 years old, Naveed Shinwari has spent more than half of his life on American soil, growing up in Omaha. But when he made a religious pilgrimage two years ago and then married a woman in his native country, Afghanistan, he got stopped in the airport on the way home and was directed to meet with FBI agents stationed overseas. .... - MORE, CARRIE JOHNSON, NPR, at: http://www.npr.org/2014/04/23/306102446/4-men-suing-feds-over-no-fly-list