Along with private technology and travel companies, the Biden administration is working to develop credentials – referred to as passports, health certificates or travel passes – showing proof of vaccination as individuals and businesses emerge from lockdown, the Washington Post reported Sunday. Airline and business groups had been lobbying the White House to take the lead in setting standards for health passes. They believe that would avoid a hodgepodge of regional credentials that could cause confusion among travelers and prevent any single health certificate from being widely accepted. According to the Washington Post, the administration's efforts are housed in offices...