Sen. Bernie Sanders insisted that he has no regrets about his initial stance standing by disgraced oyster farmer Graham Platner despite an avalanche of warning signs. Sanders (I-Vt.) had been among Platner’s earliest backers, catapulting him to prominence with his endorsement shortly after the oyster farmer jumped in the race for Maine’s Senate seat. “No, I don’t think so,” Sanders told CBS News’ “Face the Nation” on Sunday when asked about whether he had regrets for not abandoning Platner sooner. Sen. Bernie Sanders said he doesn’t have regrets about the timing of him pulling his endorsement from Graham Platner. CBS...