Wednesday marked the third straight night of Las Vegas week on America's Got Talent
. It was also the last chance for contestants to impress judges Howard Stern
, Sharon Osbourne
and Howie Mandel
before control of the competition was handed over to the voters.
The third segment of Vegas week featured the stand-by acts who really needed to prove they deserved one of the final spots. While some stepped up their game enough to continue, there was ...