The big spenders who shelled out $30,400 a head for dinner with President Obama at the Four Seasons restaurant and at Anna Wintour's house didn't actually break any bread with him. After starting Tuesday night at a dinner for 60 high-rolling Democratic supporters hosted by hedge-fund billionaire Marc Lasry, Obama headed to a private room at the Four Seasons to wolf down steak, potatoes and broccoli with two aides before heading to Wintour's Greenwich Village home. Obama arrived at the Four Seasons at 5 p.m. Spies said he gave a short speech and schmoozed with 60 attendees, including Lasry and...