OTTAWA — Prime Minister Justin Trudeau says he accepts Han Dong's decision to leave the Liberal caucus after an allegation he spoke to a Chinese diplomat about delaying the release of two Canadians. Trudeau sidestepped a question Friday about whether he believes the allegation, saying only that Canadians should watch Dong's "strong" speech for themselves. He said at a news conference alongside U.S. President Joe Biden, who was visiting Ottawa, that he fully accepts Dong left the Liberal caucus "to vigorously contest these allegations." The prime minister also added that he and Biden discussed foreign interference, and said it is…