Hyundai's luxury car division goes mainstream with its brand new midsize G70. Road Test Editor Howard Walker tries it for size. If Phil Collins is the first thing that comes to mind when you hear the word Genesis, maybe you haven't bought a luxury sedan lately. While the wrinkly Genesis drummer should make a perfect target-buyer for a high-luxe $72,000 Genesis G90 flagship, I'm guessing Bentleys and Rollers are more his thing these days. It was the fancy G90, along with the BMW 5-Series s...