Did “Mad Men” Go Better with Coke?

Was the final episode of AMC’s “Mad Men” a staggering work of heartbreaking genius? Not exactly. Take away the surprise ending – that unexpected play of the iconic 1971 Coca Cola commercial filled with flower children singing “I’d Like to Buy the World a Coke” – and it wasn’t much more than a series of scenes in which various characters got their happy endings, with one notable exception.