How much did you spend on lunch today? $10 for a salad at Chop't? $7.50 for a sandwich at Pax? A whopping $175 on the lunch tasting menu at per se? Regardless, if you set that amount of money aside tomorrow, May 14th, and donate it to City Harvest's Skip Lunch, Fight Hunger campaign, you can make a difference in the lives of hungry New Yorkers. That $5 you'd ordinarily spend on two slices of......