There's nothing average about the Joe at McDonald's. The Golden Arches beat out java giants Starbucks and Dunkin' Donuts, along with Burger King, in a coffee taste test run by Consumer Reports magazine. The magazine proclaimed McDonald's Premium Roast Coffee had "no flaws" and was easiest on the wallet. "Try McDonald's, which was cheapest and best," Consumer Reports says in its March issue. "Or make your own coffee." Of the four, McDonald's cost the least, $1.35, on average. It "was decent and moderately strong," the magazine says, "although it lacked the top notes needed to make it rise and shine."...