Families of Colombian veterans, who traveled to Ukraine and Russia to fight in the war between the two countries, are now searching for their loved ones who have disappeared on the battlefield, or whose bodies remain thousands of miles away. Also, as the fighting in Sudan continues, the warring sides are seeking more foreign backing. And, boycotts of American alcohol are boosting Canadian wineries as the trade war between the US and Canada escalates. Plus, a new open-air machinery museum in the Australian outback.