Qatar is re-evaluating its role as a mediator between Israel and Hamas, Prime Minister and Foreign Minister Mohammed bin Abdulrahman said on Wednesday. Qatar’s role has been abused by some people for the sake of limited political gains, he said. However, he did not name anyone in particular. “This has led Qatar to do a complete re-evaluation of its role, and we are currently in this stage,” he told a press briefing in Doha, without elaborating. “There has been exploitation and abuse of the Qatari role,” he said. “We are committed to our role out of a humanitarian context, but there are limits …