The second night of Democratic presidential primary debates largely steered clear of climate change, drawing pushback from some green groups that had hoped to see the issue take center stage. The topic saw roughly seven minutes of airtime during the two-hour debate. The length of time devoted to the debates angered climate activists who have for months been calling for a debate devoted entirely to the issue. “Another debate, another climate section the length of a bathroom break,” tweeted the Sunrise Moevement, a youth advocate-driven group focused on climate issues. “By not discussing climate nearly enough, this debate allowed candidates...