U.S. Secretary of State Marco Rubio on Thursday convened leaders from more than 60 countries to take part in the Trump administration’s latest effort to quell what it calls “left wing” political terrorism, a marquee issue for Republicans heading into the midterm elections.This focus comes even as studies show that there are very few reported cases of such incidents in the U.S., especially compared to historically higher levels of far-right violence.With sweeping statements about the “alarming rise” of political violence by the left, Rubio and other U.S. officials painted a dark image of the future if the “communists and Marxists”...