Joel Yashinksy, McDonalds USA vice president of marketing, must be a pretty sensitive guy. He apparently doesn't want the feelings of any of the ad agencies that work for him to be needlessly hurt. Or their contributions to the McDonald's turnaround to be overlooked. So Yashinsky called me today to flesh out more details of what's in store — from a marketing perspective — for the national rollout of McDonald's (NYSE: MCD) all-day breakfast starting Oct.