Grilled Swordfish with Garlic Caper Butter

Here’s a dish close to home and near to my heart, for during swordfish season, Barbara and I make it as often as possible. And whenever I’m traveling Planet Barbecue, the mere thought of it makes me homesick. We’re talking quick—thirty minutes max from start to finish—but the flame-charred fish and tart, salty fried caper sauce explode right off the plate. Use the freshest swordfish you can find, and I’d rather see you substitute another, fresher fish than using swordfish that looks tired o