WASHINGTON — President Obama has issued a form of executive action known as the presidential memorandum more often than any other president in history — using it to take unilateral action even as he has signed fewer executive orders.

When these two forms of directives are taken together, Obama is on track to take more high-level executive actions than any president since Harry Truman battled the “Do Nothing Congress” almost seven decades ago, according to a USA TODAY review of presidential documents.

Source: Gregory Korte, usatoday.com