Chevy Cobalts on the assembly line in Ohio in 2008. Documents show General Motors was aware of problems with the car's ignition switch years before, but failed to act. Ron Schwane/AP hide caption

itoggle caption Ron Schwane/AP

Marijuana plants grow at a farm near Medellin. Tony Dokoupil's father made hundreds of thousands of dollars smuggling marijuana into the U.S. from Colombia. Raul Arboleda/AFP/Getty Images hide caption

itoggle caption Raul Arboleda/AFP/Getty Images

Riot police faced off with protesters Sunday, during a demonstration against recent police shootings in Albuquerque, N.M. The march lasted at least nine hours. Russell Contreras/AP hide caption

itoggle caption Russell Contreras/AP

It's a legal battle that is far from over. In 2013, Sheriff John Cooke (left) and other sheriffs in Colorado filed a federal civil lawsuit objecting to two gun control bills, saying they violate the Second Amendment. This week a crucial gun control measure goes to trial. Brennan Linsley/AP hide caption

itoggle caption Brennan Linsley/AP