Insider Advertising: Brands skittish over Olympic ad buys

Hello and welcome back to Insider Advertising, your weekly look at the biggest stories and trends affecting Madison Avenue and beyond. I'm Lara O'Reilly, Insider's media and advertising editor. If this was forwarded to you, sign up here . This certainly seems to be the week everyone decided to throw caution to the wind and take some much-needed vacation, if the OOO replies in my inbox are anything to go by. But the advertising news waits for no one, so let's dive in. Here's what we're covering today: It's all over now, baby blue The curtains are now drawn on…