'Manhattan' an egghead's-eye view of the birth of the atomic bomb

Secrets and slide rules fly in WGN America's 'Manhattan,' which plausibly re-creates the WWII race for the atomic bomb. It's best when it captures the daily business of life in a strange place. WGN America, which plunged into original dramatic programming in April with the historical fantasia "Salem," has returned with a second scripted series, "Manhattan," establishing that it has a thing for