A year-plus later, "Sarah Who" is now "Sarah Wow." Like President Reagan who rose from the wreckage of the 1976 battle with then-President Gerald Ford to capture the White House and recapture the soul of America thirsting for change and clarity, Jay Leno will host and America will witness on Tuesday night Sarah Palin as a true heartland comeback. Here are some terrific ways to prepare to watch Sarah Palin: • Prepare your TiVo, DVR, or video recorder at least a few hours in advance so that there are no last-minute problems. • Have a notepad so that you can...