Long Periods Quotes
Senator Church was the chairman of the committee. It’s reports (14 in all) are the most extensive documentation of U. S. intelligence ever compiled.
Technically, the probability has never changed. However, most probabilities are in relation to a specific event or time. A levee may have only a 1% probably of failing in a hurricane but if there are 10 hurricanes a year, the probability that the levee will fail at least once in 30 years is about 50%.