Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. World Leaders Offer Congratulations to Biden, Harris Jamie Dettmer After days of shying away from comment on America's presidential election, world leaders including British Prime Minister Boris Johnson and German Chancellor Angela Merkel tendered congratulations Saturday to Joe Biden after Pennsylvania's vote results made him the projected winner. "The U.S. is our most important ally and I look forward to working closely together on our shared priorities from climate change to trade and security," Johnson said in a statement issued by Downing Street. .