Twitter Inc.’s move to label two tweets by President Trump as misinformation highlights a widening divide among big tech platforms on how they handle political speech, an increasingly contentious issue as the U.S. presidential election approaches.
The messaging platform’s decision to slap a fact-checking label Tuesday on the two tweets, in which Mr. Trump said vote-by-mail would lead to rampant fraud, contrasts sharply with the position by larger rival Facebook Inc., which reviewed the same claim from the president on its…
