The Associated Press has fired a reporter and is reviewing its standards on use of anonymous sourcing following an “egregious” error in a story about a fatal missile strike that killed two people in Poland. The national security reporter, James LaPorta, was dismissed after being deemed primarily responsible for a Nov. 15 news bulletin that erroneously said Russian missiles had carried out the strike, according to people at the AP familiar with the decision. LaPorta, who had worked at AP since 2020, said Tuesday that “I would love to comment on the record, but I have been ordered by the...