Like David G's review.. let me just copy and paste and tweek it a bit.
The three of us sat down to have cocktails at this beautiful bar in the west tower of the Cosmopolitan Hotel.
The entire staff ignored the sh*t out of us for a 15 minutes, while tending to all the other patrons without fail.
So we got up and left for the BOND Bar.
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I guess there's nothing else to say.