Four years ago, Berny Clarke of Wisconsin longed for a purpose after retirement. Her doctor told her to walk in nature. What he didn't prescribe, but what really changed everything, was the trash she found on her walks.

Sheridan Gorman, an 18-year-old Loyola freshman, was shot and killed in Chicago last month and an undocumented immigrant from Venezuela is under arrest.

After the mass shooting in Shreveport, Louisiana, advocates are urging policymakers to reform domestic violence and gun control legislation.

Democratic Rep. Sheila Cherfilus-McCormick of Florida became the latest U.S. lawmaker to step down amid allegations of ethics violations. It happened minutes before a vote to decide whether she should be forced out. Nikole Killion reports.

The largest U.S. military presence in the Middle East since the invasion of Iraq has gotten even larger in recent weeks with the deployment of additional forces and a third aircraft carrier. Charlie D'Agata reports on the president's 21st-century "gunb...