- A judge ruled Friday against Mark Meadows' bid to move the prosecution against him to federal court.
- Meadows is one of 18 co-defendants charged alongside Trump in his Georgia election interference case.
- A former federal prosecutor told Insider the ruling ramps up pressure on the co-defendants to flip on Trump.
Mark Meadows' latest court flop increases the pressure facing the co-defendants charged alongside Donald Trump in the Georgia election interference case to flip on the former president and cooperate with the prosecution, one former federal prosecutor told Insider.