This is The Poynter Report, your daily guide to the news about news. Subscribe to get it in your inbox every weekday. In yet another controversy that chips away at the foundation of CBS News’ credibility, “60 Minutes” correspondent Sharyn Alfonsi says her contract is not being renewed by the show. This all started back in December. “60 Minutes” — the gold standard of TV news — was set to run a 13-minute piece about El Salvador’s notorious CECOT prison, where Venezuelan men deported by the Trump administration faced harsh conditions. The correspondent on the story was Alfonsi, a well-respected reporter who had been contributing to “60 Minutes” since 2015. The feature was being promoted by the network. But just a day before the feature was set to air, it was yanked by then-new CBS News editor in chief Bari Weiss — an extremely rare, if not unprecedented, move.…