Join the crowd:
http://social.answers.microsoft.com/...?prof=required
http://forum.ppcgeeks.com/showthread.php?t=128794
http://forum.ppcgeeks.com/showthread.php?t=128980
Bottom line at this point: Microsoft messed up Bing, reducing functionality, and there seems to be no work-around.
Go ahead and post your complaint at the thread I started at Microsoft's "support" forum: it may not change anything, but they need to know how many people they're pi$$ing off.