Private equity buyers are circling ad agencies

Hi and welcome to Insider Advertising for February 16. I'm Lucia Moses, deputy editor, filling in for Lauren Johnson. Here's what's going on:PE eyes agency deals.Blue Sky Studios employees mull shutdown.TD Bank reviews its agencies.If this email was forwarded to you, you can sign up here for this daily insider's guide to advertising and media.Send tips, comments, suggestions to me at Lmoses@insider.com or @lmoses.Matt Winkelmeyer/Getty ImagesPrivate equity firms are looking to snap up ad agencie