Well here is the video. You have to judge for yourself. She diffinately doesn't sound that bad but you can tell she wasn't feeling the performance but she sounded alot better than Mariah on Good Morning America.

http://www.youtube.com/watch?v=IVSyuR6rpl8&eurl=http://www.blackvoices.com/blogs/2008/04/27/houston-theres-a-problem-whitney-houston-disappoints-tobago-fa/