It’s summer and sun is out, the pool, beach and backyard are beckoning. But before you head out, don’t forget your sunscreen and a hat. Skin cancer in the United States is rising at an astonishing rate. More than two million people have it, making it the most common type of cancer in the country. This hour, we’ll get the latest on skin cancer and learn how to guard against it from University of Pennsylvania oncologist and skin cancer expert Lynn Schuchter. And, Nneka Leiba, a researcher with Environmental Working Group will tell us which sunscreens are the safest and most effective.