 Even when the case in D.C. resumes, there are likely to be a series of pre-trial battles in addition to the immunity questions that consume a significant amount of time. This is called the justice system. They hate it. Unless, of course, they're the targets of it. Then they want delays and so forth. Given the pace of hearings to date in the two federal cases, it's possible that even with a longer time window until Inauguration Day, neither will go to trial by then.