The subpoena to former Vice President Mike Pence is a milestone moment in an ongoing Justice Department special counsel investigation. But it doesn't guarantee he's going to be testifying before a grand jury anytime soon.
Pence is the latest official in former President Donald Trump's administration to be subpoenaed as part of the investigation into efforts to overturn the results of the 2020 presidential election, but the push for Pence's testimony is unique because he's the highest-ranking official known to have been summoned.