 Many Americans are gearing up for a 4th of July barbecue, dreaming of throwing meat or veggies on the grill. And if you've always wanted to try your hand as a grill master, but you don't know where to start, Ruth Tam from NPR's Life Kit has some tips for you. For those of us who are used to cooking indoors, the idea of grilling can feel intimidating, chaotic even. But don't worry. If you're new, start by choosing a grill.