It's like the fast food version of Sad Guys on Trading Floors. The Post examines how formerly high-flying Wall Street executives are eating at McDonald's these days (and there are photos!). One said, "You've got to save when you can. I've got two kids in college...I try to do it once a week. It's cheap and it's easy." Another added, "I get the Number 2 meal for $5.45. I don't Super-Size it." Good that he's trying to stay relatively healthy! And McDonald's is looking to enhance its relationship with downsizing customers (as well as its usual base): The Street reports, "McDonald's said it plans to invest $2.1 billion of capital to open about 1,000 new restaurants and upgrade existing locations."