As Longtime Trump ally Steve Bannon spends his first night in a low-security federal prison for defying a subpoena in the congressional investigation into the U.S. Capitol attack, the world got a glimpse into what life will be like for the next four months for the MAGA strategist. Sam Mangel, Bannon’s prison consultant dropped him off at the facility in Danbury, Connecticut. Mangel told CNN’s Kaitlan Collins Monday night on “The Source” that Bannon, along with Mangel and former police commissioner Bernie Kerik, met with a prison captain and lieutenant. Mangel called it a “very civil hand-off” …