Radio Anago is Brendan Sodikoff’s sushi cave under the deep dark sea . . .

Hogsalt Hospitality takes a pure, respectful approach to fish amid River North’s culinary cliches. A young woman arrived late to join two friends at Radio Anago, a new Japanese restaurant in River North. Hugs and kisses were exchanged, then the newcomer delicately bent her knees, and then her waist—and then indelicately planted her butt on the floor.…