X Factor USA kicks off with a bang as Simon Cowell is blown away with performances by a single mother and reformed drug addict

The pressure was on Simon Cowell to deliver a knock-out first show with the launch of X Factor USA tonight - and he didn't disappoint.
The 51-year-old, who quit his coveted role on American Idol to bring his British format to America, wowed viewers with a series of both weird and wonderful performances, and a dose of controversy.
A single mother who had everyone in tears, a reformed drug addict hoping to turn his life around, the most bizarre but endearing older couple, and a man who pulled...