FOX NEWS: Does Trump have to obey a subpoena to testify in the Russia probe? The answer may not be what you think

Does Trump have to obey a subpoena to testify in the Russia probe? The answer may not be what you think



Another constitutional controversy was set off when President Trump’s attorney – former New York City Mayor Rudolph Giuliani – said Sunday that the president might refuse to obey a grand jury subpoena.