This summer promises to be a hot one — and that poses a sticky dilemma. It's too hot to cook, but you still have to eat. So unless you're a social animal and can cadge dinner invitations for the next three months, you can't avoid cooking. Why not take advantage of the bounty of fresh vegetables available at farmers markets and kitchen gardens that define the taste of summer? Cold soups are refreshingly toothsome summer fare that will keep your kitchen duties to a minimum and your tummy happy. Here are five light summer soups perfect for cooling down on roof decks and pool patios.