A Guardian investigation into the U.S. overdose slowdown found that national declines masked sharp local disparities. Here's how the reporting team got the story.

Some par­lia­men­tar­i­ans be­lieve Prime Min­is­ter Kam­la Per­sad-Bisses­sar’s pri­vate meet­ing to­day with Unit­ed States Sec­re­tary of State Mar­co Ru­bio is a pos­i­tive de­vel­op­ment for this ...