Donald Trump’s choice not to challenge a presidential immunity ruling involving civil cases attempting to hold him accountable for his actions on Jan. 6, 2021, has given a green light for the lawsuits to proceed, a new analysis contends. Trump’s decision not to contest a D.C. Circuit Court of Appeal ruling against him from December affects pending civil litigation brought by police officers and lawmakers who were at the U.S. Capitol during the riots, Supreme Court reporter Lawrence Hurley writes for NBC News. The deadline to appeal passed Thursday. The case only affects civil claims and is sep…