When Sally Buzbee joined The Washington Post a year ago this month, she took over a newsroom that had nearly doubled to more than 1,000 journalists under the ownership of Jeff Bezos, who bought it in 2013. Its coverage regularly won Pulitzer Prizes.The newspaper has continued growing in the months since. It has opened breaking news hubs in Seoul and London to become more of a 24-hour global operation. It expanded coverage of technology, climate and personal health. Its reporting won the Pulitzer Prize for public service this year.But Ms. Buzbee is now on the defensive, yet to completely win over the newsroom and facing internal strife that has eclipsed some of her bold plans.Internal frustration with Ms. Buzbee has spilled into public view. Much of it resulted from two social media storms — one that led to a reporter getting fired, and another that led to accusations that a feature editor’s promotion was unfairly rescinded. Many journalists at the newspaper say the pro …
