"Top-tier Republican candidates are solidifying the playing field and ensuring that the G.O.P. will challenge more than enough Democrat-held seats to put the majority in play," Mr. Sessions wrote in a post-primary memorandum to his colleagues.
Legal experts said they suspected that Professor Yoo was the primary author of the memorandum, given his background in international law.
A political sensation — and minor international incident — erupted during the Democratic primary when a leaked memorandum surfaced in which a Canadian consular officer wrote that a senior Obama adviser had assured him that Mr. Obama's protectionist stand on the campaign trail was "more reflective of political maneuvering than policy".
He argued, "Responsible biographers and historians constantly use primary sources, letters, diaries, and memoranda.
"Our just completed 'testing the waters' poll shows that Mark Green is in a strong position to win the 2001 Democratic primary for mayor of New York City," the memorandum said.
As a primary example, he and others cite a memorandum that surfaced in the federal prosecution of the Holy Land Foundation for Relief and Development, a Muslim charity based in Texas whose leaders were convicted in 2008 of sending funds to Hamas.
DFID: Department For International Development DH Department of Healthth; EEA: European Economic Area GMC General Medical Councilil; MoU: Memorandum of Understanding; NHS National Health Service OECD Organization for Economic Cooperation and Developmentent; PMQ: Primary Medical Qualification; RCN Royal College of Nursing SHOHO: Senior House Officer; WHO: World Health Organization.
A memorandum about an M-rated video game characterized the "primary" audience as "males 12-17".
"In effect, the Democratic Party is holding a national primary with over 20 states choosing a nominee on Feb. 5," the memorandum continued.
The official memorandum, held at The National Archives in London, describes the unit's primary role: "T-Force = Target Force, to guard and secure documents, persons, equipment, with combat and Intelligence personnel, after capture of large towns, ports etc. in liberated and enemy territory".
Tsipras, she said, had pulled off a world first leading Greece to "a new memorandum" even though it had by dint of hard work achieved a primary surplus.
