Matt Mackowiak is a very conservative Republican. From his twitter page:
Conservative, comms guy, campaign vet, run @potomacstrategy, @potomacflacks & @MustReadTexas, Steelers/Pens/Horns fan, lucky husband, our dogs live well
Austin, TX
He put up an 11- part twitter storm in response to what Donald Trump said to George Stephanopoulos when questioned about the remarks of Khizr Khan. This IS a must read, so I reproduce it in its entirety:
He later added this tweet, not part of tweet storm: