Thanks for pointing out the obvious which is moot anyhow.
Read that little part ****AT SEA LEVEL****
Now go pick up your dribble cup for the drool running down your face and watch your videos.
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The B1 was originally designed for high speed low altitude flight just like an F111. He can very well go supersonic at low altitudes and it is actuually at higher altitudes where his performace is less than ideal.
Your ignorance is only exceeded by your ability to find incorrect information on the internet. However, since you exhibit all the maturity of a 5 year old I will coceed to you that yes indeed, there is a Santa Claus.