___ Facebook may be facing an 'era of accountability' NEW YORK (AP) — Facebook has unwittingly allowed groups backed by the Russian government to target users with ads. That's after it took months to acknowledge its outsized role in influencing the U.S. election by allowing for the spread of fake news. Now it is under siege, facing questions from lawmakers and others seeking to rein in its enormous power and demand more transparency. ___ Toys R Us joins bankruptcy list as Amazon exerts influence NEW YORK (AP) — In filing for bankruptcy, Toys R Us joins a list of dozens of store chains that have done so already this year as online leader Amazon increasingly exerts its influence over a huge part of the retailing world.