By Zach Johnson ABC’s newest series is, ironically, a throwback. Whiskey Cavalier, an hour-long action dramedy making its debut right after the Oscars® February 24, co-stars Scott Foley as tough but tender FBI agent Will Chase (code name: “Whiskey Cavalier”) and Lauren Cohan as beautiful and bold CIA operative Frankie Trowbridge (code name: “Fiery Tribune”). Together, …