But this is -- simply observing where the oil is coming out is insufficient to really calculate any flow rate with any degree of accuracy.

WHITEHOUSE: Press Briefing on Oil Spill in Gulf of Mexico

Mr. GINSBERG: I think he was interested in the flow of consciousness and the flow of feeling, and the accuracy of instant-by-instant recording of what was flashing through his mind.

NPR: 'On the Road' at 50