Former President Barack Obama has allegedly scaled back his big 60th birthday party after most of his supporters questioned the wisdom of holding an event for hundreds of people during a resurgent pandemic. Plans for the Saturday bash at his multimillion-dollar home on Martha’s Vineyard had been going on for months—but the spike in virus case numbers has forced a rethink. “Due to the new spread of the Delta variant over the past week, the President and Mrs. Obama have decided to significantly scale back the event to include only family and close friends,” Hannah Hankins, an Obama spokeswoman, said...