U.S. President Donald Trump and Russian President Vladimir Putin agreed Monday to strengthen bilateral cooperation on reducing the two countries' stockpiles of nuclear arms and stopping North Korea's nuclear weapons development.Speaking at a joint news conference after their meeting in Helsinki, Trump said he provided Putin with an update on his summit with North Korean leader Kim Jong Un last month, and that Russia wants "very much to end that problem, going to work with us. And I appreciate that commitment."Putin said through an interpreter, "We are glad that the Korean Peninsula issue is…READ FULL ARTICLE