::::::::: CBC - WORLD NEWS :::::::::                    Trump asks aide to invite Putin to Washington          Tornado hits factory in Iowa, some injuries reported          'We have to start getting used to it': Record-breaking temperatures heating up the globe          Israel passes Jewish nation-state bill after contentious session in Knesset          Canada warns of retaliatory tariffs as U.S. mulls 25% levy on imported cars          Trump administration will keep protected status for Somalis          Livestock with less methane: Scientists seek ways to reduce greenhouse gas emissions          Italian PM calls for EU body to co-ordinate migrant arrivals          Montenegro, in apparent rebuke to Trump, says it cherishes 'values of democracy'          Olympic figure skating medallist Denis Ten stabbed to death          Deaths by alcohol-related liver disease skyrocket among young adults, U.S. study shows           Israeli airstrike kills Hamas member in Gaza          Astronomers spy nearby star that could be eating a planet          CNN chief Jeff Zucker undergoing heart surgery          Comcast blinks in fight with Disney for Twenty-First Century Fox          Aussie PM Turnbull calls on Pope to fire disgraced archbishop          Survivors of Larry Nassar's sex abuse join hands, accept courage award at ESPYs          Rare baby snake fossil found in amber from Age of Dinosaurs          White House weighs Putin proposal on questioning U.S. officials