An international coalition of travel-related organizations called on the US government Wednesday to stop requiring vaccinated passengers to present a negative Covid test before boarding US-bound flights. “Travel and aviation’s recovery is dependent on the government taking steps to remove travel restrictions that are no longer justified by current circumstances,” the group argued in a letter addressed to White House coronavirus response coordinator Jeffrey Zients. Among the 29 signatories were the main advocacy organizations representing Asian, European and US airlines, as well as the US Chamb…