on that one. and strike up the band, strike up the guitar? well, not really. it's the air guitar championship. we'll take you there and see who won the tw20th anniversary. hello, everybody, you'll uma pemmaraju and coming up in the next hour of "america's news headquarters" we'll fill you in on the investigation to the latest fatal shooting of a police officer this one in texas. plus, what should we make of these letters from ex-military brass to congress? one in favor, another in opposition to the iran nuke deal. and three children escaping their parents with dreams of going on a joyride. who they encountered just moments after putting the pedal to the metal. plus, we'll have an exclusive with governor mike huckabee on his presidential bid. all that coming up in less than ten minutes at the top of the hour. join me.