Article snippet: The months-long dance between MORE over a voluntary presidential interview has yet to bear fruit, raising the question of whether the special counsel will subpoena the president to testify as part of his Russia probe. Those who know Mueller professionally say he would not hesitate to compel Trump to testify under oath before a grand jury if he considered it critical that his investigation include testimony from the commander in chief. Stephen Vladeck, a University of Texas law professor who has been closely watching the investigation, said that Mueller would subpoena Trump only if he “believes he has exhausted all other options and if he really thinks it is necessary.” “Before you subpoena the president you want to make sure you have every single duck in a row,” Vladeck said. Trump first signaled in January that he was eager to speak to Mueller under oath to show there was no collusion between his campaign and Moscow in 2016. Since then, the president’s lawyers say they have been trading proposals with Mueller’s team on the ground rules for an interview. No agreement has been reached. Trump indicated in an August interview with Reuters that he is now leaning against sitting down with Mueller, fearing it could be a “perjury trap.” If Trump declines a voluntary interview with the special counsel, Mueller could subpoena him — thereby compelling the president to answer questions under oath before a grand jury. Trump’s lawyers would most likely mount a legal challeng... Link to the full article to read more