President Biden on Friday insisted that disappointing jobs growth isn’t the result of a federal unemployment insurance supplement — even though business owners say they can’t get enough workers to come back. The US added just 266,000 new jobs in April — far below estimates of around 1 million as the economy rebounds from the COVID-19 pandemic. Republicans and business groups blame the $300 weekly federal subsidy that runs through Sept. 6, which allows some low-wage workers to make more money staying home than returning to work. But Biden said the jobs figures actually show “more help is needed” via...