Bayer, the biotech company that manufactures Roundup weed killer, won a federal appeal on Thursday that could shift the outcome of several lawsuits. The court ruled Bayer was not required to warn the users of the pesticide of potential cancer risks associated with the product. Then, state regulators issued another widespread product recall earlier this month, more than double the scale of Missouri’s first recall last year. Plus, three transportation companies backed out of deals that would provide buses to more than 1,000 St. Louis Public Schools students. Keep reading for these stories and more.