The Tokyo Olympics are over. Now skittish advertisers are looking to Beijing.

The Tokyo Olympics are over. Now skittish advertisers are looking to Beijing. In today’s Insider Advertising we’re covering post-Olympics negotiations between ad buyers and NBC, and ad-agency return-to-office plans. 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…