The Consumer Electronics Show (CES) is going on in Las Vegas, and T-Mobile CEO John Legere put on quite a show during his speech today, according to those who were there or watching online:

Legere also apparently doesn’t like AT&T saying they’re the fastest network:

On top of it all, the naturally energetic Legere decided to add even more energy to his speech:

The takeaway quote, as shared on the official T-Mobile Twitter account:

Yesterday, perhaps unsurprisingly, Legere reportedly got the boot from an AT&T party:

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