January 6 committee subpoenas Trump. Will he successfully use the courts to run out the clock?

The January 6 House select committee investigating the insurrection has now formally subpoenaed former President Donald Trump to testify. This congressional subpoena raises questions of both form and substance.  

This video looks to the subpoena of Richard Nixon's tapes from the Watergate affair to discuss the issues of form, and looks to a law enforcement practice referred to as "tickling the wire" to discuss matters of substance.