Provocatively, she has stuck to her line that "you have to be a good person to get depressed", arguing recently that it is the determination to be perfect that causes difficulties for many high-profile people.
But as Dr Frenk implies, it would be a pity if the new report's saner ideas were obscured by the authors' quixotic determination to achieve perfect political, economic and social equity.
The area under the ROC curve (AUC) will serve as the validity coefficient; this may range from 50% (chance determination) to 100% (perfect determination).
For modern readers, Ishiguro's butler narrator Stevens has become the embodiment of the old-fashioned career manservant: loyal, deferential, unquestioning, his own emotional and imaginative spirit cauterised by his dogged determination to be the perfect servant.
His determination to make it perfect, filming take after take, reminds Ann of some of her reasons not to date him.
Somehow all the planets aligned for Ray, a novice director with an achingly poetic-realist vision of Depression-era Texas and the determination to implement it wholesale: a perfect source novel, Edward Anderson's Thieves Like Us; and exactly the right combination of producer (John Houseman), studio (RKO) and sympathetic studio head (Dore Schary).
Hodgson praised the Manchester United striker's determination to put himself in the perfect place to succeed and Portugal with a fitness guru in tow certainly has a better look than a trip to the gaming tables of Las Vegas, a pursuit that took up some of his preparation time for Euro 2012.
The phrase is a perfect expression of what Sunstein says is Obama's determination to accommodate disagreement to the extent possible.
With "perfect composure", Hindman told listeners to "unite their courage and determination to bring peace to the people".
Heavy Rain is the perfect riposte to anyone who contends that games are mindless orgies of violence but, unfortunately, its determination to prove that point brings about periods of deeply annoying gameplay.
