Obama administration officials and their supporters are rejecting claims that the Supreme Court's stay of EPA's greenhouse gas rule for existing power plants could stall progress toward hitting their GHG targets set in the Paris climate deal, saying the United States will “unequivocally” meet the target, with electricity sector market trends helping to curb emissions even as EPA's rule is put on hold. But critics say that any delays in the rule could create a larger “gap” between existing policies...