[justshe]

"We are not sure if the item was white...or just 'light' colored as a result of the sun hitting it."

Said this in reference to the 'tiles' that might have come off at lift-off. He is not convinced it was actually tile, it sounds like to me.

[PhiKapMom]

That's how I took it too -- not convinced at all that something from the Shuttle itself fell off.