Aggressive T-Mobile CEO Legere ejected from rival AT&T's party

 T-Mobile CEO John Legere

By now, everyone knows T-Mobile US (TMUS) CEO John Legere is an extraordinarily mischievous manager. But he took the hijinks to new heights on Monday night.

Legere showed up at rival AT&T’s (T) party concert at CES in Las Vegas, where he ran into CNET reporter Roger Cheng. Cheng promptly posted a picture of the T-Mobile exec on Twitter.

Roger Cheng        ✔ @RogerWCheng

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Ran into @JohnLegere at the AT&T party. Yep, he crashed it. And still wearing the pink t-mo shirt. #CES2014

5:42 AM - 7 Jan 2014 from Paradise, NV, United States