Michael Flynn Has Pleaded Guilty To Lying To The FBI
The committee is investigating, among other things, Russian hacking that intelligence officials have said was meant to influence the election.
The revelation will likely lead to pressure for the Attorney General to step away from an FBI investigation into Russian electoral interference
The legal dispute involves two divergent views of the role of the executive branch and the court system
Rising tensions between President Trump and the U.S. judiciary may signal a wider battle to come over immigration