T-Mobile CEO John Legere is notorious for his brash demeanor (a rarity among CEOs) both in person and especially on Twitter. He's already been kicked out of an AT&T party this week, and today at 12:30PM PT / 3:30PM ET he'll take the stage to definitely entertain and hopefully match that bravado with some actual industry-shaking announcements. While you wait, check out the best of John Legere (so far).