Responding to an escalating crisis, Prime Minister Boris Johnson of Britain reversed course this weekend and offered thousands of visas to foreign truckers to combat a driver shortage that has left some supermarket shelves empty and caused long lines at gas stations. ...Since January, after Britain completed the final stage of Brexit, employers have been unable to freely recruit European workers, as was previously the case. The coronavirus pandemic has also exacerbated the crisis that stems from a long-term shortage of British truck drivers. The British Department for Transport said in a statement that 5,000 fuel tanker and food truck...