POLITICO reporters discuss the number of Republican Senate candidates that have decided not to actually run for Senate in 2018 and the tariff President Donald Trump is reportedly considering on major steel producing countries \u2014 one of several big issues on the table this week at the G-20 meetings in Europe, alongside Trump\u2019s first meeting with Russian President Vladimir Putin.\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices