Gov. Wolf has announced that all but “life-sustaining” businesses in Pennsylvania must close by 8 p.m. Thursday as the novel coronavirus continues to spread. The governor had previously asked nonessential businesses such as salons, gyms, theaters, and entertainment venues to close. Under the new order, life-sustaining businesses that may continue physical operations include gas stations, farms, health care facilities, and transit systems, according to the Wolf administration. The order applies to the city of Philadelphia, which previously had been allowed to impose and enforce its own restrictions. In ordering the stricter shutdown, Wolf is drawing on powers that his administration...