How can you stress-test banks if you do not know how their troubled assets will be dealt with and at what price?

ECONOMIST: Saving the banks

How do you feel when you know that workers are going to lose their pension?

BBC

But how do you know when someone is limiting themselves to their area (s) of expertise?

FORBES: Why Rules of Thumb, Intuition, Gut Feelings, Work in Business Decisions

But how do you know that your ad dollars are paying their way?

FORBES: Startup Clinic / Growing Pains: Yo, customer!

"That's how you know somebody didn't do their job, " said Mets relief pitcher LaTroy Hawkins, one of the few active players who was in the majors when interleague began.

WSJ: The South Side Comes to Flushing

Ms. KHUMALO: When I go to the rural areas, I spend time with women and just sit with them and ask them about their daily lives, you know, how do they cope.

NPR: 'Yesterday': The Saga of an African AIDS Victim

Fiona Apple and Norah Jones, each a decade or more into their careers, know this problem and the question it implies: How, without calcifying, do you remain the performer who initially enticed your audience?

NEWYORKER: Revelation Road