By Bob Brigham The Florida Oath Keeper who used the moniker “Turmoil” testified as a cooperating witness on Tuesday in the seditious conspiracy trial against the group’s leadership. Jason Dolan, a retired Marine Corps staff sergeant, pleaded guilty in September to conspiracy and obstruction of an official proceeding as part of a cooperation agreement. “Dolan testified Tuesday that before the Jan. 6 attack, he was drinking —often alone and in his garage — and getting sucked into online conspiracy theories,” NBC News reported. “Dolan said he was trying to “mentally prepare” at the time for how f…