Prosper murders 'expose lack of control' over guns / Government and Sweden Democrats flag gun control measures / Massie and other Republicans push 'National Constitutional Carry Act' to protect Americans' gun rights / Wisconsin's Evers calls for gun control measures and a bipartisan approach to immigration / With federal gun control on ice, advocates look to other solutions for school shootings / Gun death rates in some US states worse than conflict zones, study finds / Gun death rates in some U.S. states comparable to conflict zones, study finds / How my kids are adjusting to life in a country with more guns than people / America's unique, enduring gun problem, explained / Gun rights, gender transitions, medical pot among issues SCOTUS will tackle this term