 Or Deb Rodriguez with some fancy and pricey popsicles to help keep you cool. Trendy restaurants in New York City are offering an array of expensive delights, from shiso and kefir lime-flavored pops garnished with lemon balm and cilantro flowers to Indian Alfonso mango and purple yam treats. One upscale Korean eatery offers a sweet corn ice cream pop shaped like a corn cob sandwiched inside a charred corn cookie. Prices...