Politico: “As the president this week set an ambitious goal to get 70 percent of Americans vaccinated by July Fourth and ‘return to normal,’ 1600 Pennsylvania Avenue is starting to open up. How much, however, remains unclear, in part because White House officials are reluctant to say.” “Those officials insist they are moving cautiously and still working to balance medical guidance in the workplace and the realities of employees returning to work within cramped quarters.