Ad Biz 5 Biggest Posts of the Past 5 Days By Erik Oster on Jul. 31, 2015 - 2:38 PM Layoffs Hit Rosetta North America Senior Creatives Leave Wieden+Kennedy NY, TBWA\MAL GS&P’s New York Office Closes Blind Items: It’s So Hard to Say Goodbye to Yesterday 72andSunny Aims Lower in New Carl’s Jr. Ad