CBS has canceled “How We Roll,” the sitcom based on Tom Smallwood’s story, with the May 19 season finale serving as the series finale, according to media reports on Thursday. “How We Roll” has averaged 4.6 million total weekly viewers and a 0.4 demo rating (with Live+7 playback), which ranks last among the seven sitcoms CBS has aired this TV season, TVLine reported in this story. TVLine said its readers gave the March 31 series premiere an average grade of...