mercurialness

The president’s mercurialness, he acknowledged, could be a problem.

While that sounds like a no-brainer, think about how byzantine or cryptic today’s company privacy strictures tend to be, whether it’s your bank, your credit card company, or the “this today, that tomorrow” mercurialness of social networks like Facebook.

Indeed, Saleh's mercurialness was evident just hours prior to accepting the deal, when he accusing opposition politicians of dragging the country towards civil war.

He takes the subway to work, not a town car, and lacks the imperiousness or mercurialness that surround other celebrity editors, including his predecessor, Tina Brown.