The suburban county’s rate of new cases has stayed steady for about a month, while those of Philadelphia and Bucks, Montgomery, and Chester Counties have dropped.» UPDATE: As 12 more Pennsylvania counties prepare Friday to enter the “yellow" stage of Gov. Tom Wolf’s plan to gradually lift coronavirus restrictions, the state’s southeastern corner is far from reaching a needed benchmark. And progress has been the slowest not in Philadelphia, but in its immediate neighbor to the west.Delaware County has the highest 14-day per capita rate of residents with COVID-19 of all the counties in the...…The suburban county’s rate of new cases has stayed steady for about a month, while those of Philadelphia and Bucks, Montgomery, and Chester Counties have dropped.» UPDATE: As 12 more Pennsylvania counties prepare Friday to enter the “yellow" stage of Gov. Tom Wolf’s plan to gradually lift coronavirus restrictions, the state’s southeastern corner is far from reaching a needed benchmark. And progress has been the slowest not in Philadelphia, but in its immediate neighbor to the west.Delaware County has the highest 14-day per capita rate of residents with COVID-19 of all the counties in the...WW…