Four days after T-Mobile CEO John Legere called competitor ATT out publicly for its desperate moves after it offered customers $200 in credit for switching from T-Mobile, the flamboyant Legere has been ejected from ATTs CES party. CNET News Roger Cheng tweeted to say hed spotted and posed for a picture with Legere at the event in Las Vegas. Ran into @JohnLegere at the ATT party. Shortly afterward, Cheng tweeted again to say that Legere, who appeared to be concealing a t-shirt in T-Mobile company colors under his black jacket, had been escorted out of the lavish event — which featured a performance from rap star Macklemore — by ATTs security.