 Longtime Trump ally Steve Bannon has surrendered to federal custody to begin serving a four-month prison sentence for his contempt of Congress conviction. Bannon before going into custody. I am proud to go to prison. If this is what it takes to stand up to tyranny, if this is what it takes to stand up to the Garland corrupt criminal DOJ. The Supreme Court on Friday rejected Bannon's last-minute appeal to postpone his sentence.