Trump pardons Conrad Black, convicted fraudster who wrote blowjob biography of him

Conrad Black is a former publishing mogul and convicted felon who recently penned an adoring biography of Donald Trump [Amazon], described therein as a personal friend. Trump pardoned him today, within hours of the anniversary of its publication.
From the book, here's Black on why Trump pardoned former Maricopa County Sheriff Joe Arpaio, convicted of contempt of court after refusing to quit racially profiling suspects:

Also pardoned was noted conservative racketeer (and, after his conviction, prison reformer) Patrick Nolan.
God bless America.