This move could result in the release of thousands of low-level federal inmates caught up in the drug war. For a president who, hitherto, had the most conservative pardon record in recent history (e.g. in Obama's first term, he pardoned 1 in 50 applicants, while Ronald Reagan pardoned 1 in 3), such a shift is noteworthy.
It's been illegal under federal law for more than 40 years to intentionally injure the hooves and legs of horses to cause them to exaggerate their gait during horse shows. It's called horse "soring," and it involves the infliction of torment upon horses as a way to get a leg up and win ribbons at competitive showing events.