Clicking on the travel link on MSN's homepage won't take you to the familiar Expedia reservations page anymore. Instead you'll find yourself at the reservations site of Chicago-based Orbitz.com. MSN says it hooking up with Orbitz instead of Bellevue's Expedia because it provides more innovative travel choices to its patrons. Neither side will say as much, but I suspect money had something to do with it. The change of alliances could be a blow for Expedia which depended on MSN for about 3.5 million contacts a month. MSN and Expedia were both Microsoft creations but Expedia was spun off several years ago. ...