Sen. Mark Kelly talks to CNN's Dana Bash about whether he thinks the second US military strike on a suspected Venezuelan drug vessel constitutes a war crime and, as a former Navy captain, how he would have viewed the order when he was on active duty. | CNN

NATO Secretary General Mark Rutte told reporters that President Donald Trump is the "one person in the whole world" who could break the deadlock in Ukraine and kickstart peace talks with Russia. | CNN

CNN went on the air for the first time 40 years ago on June 1, 1980. Here’s a look back at some of the most defining stories from the last four decades. https://cnn.it/3gJ560b | CNN