Why the N.S.A. Isn’t Howling Over Restrictions

For years after the attacks of Sept. 11, 2001, even as the National Security Agency fiercely defended its secret efforts to sweep up domestic telephone data, there were doubters inside the agency who considered the program wildly expensive with few successes to show for it.

So as Congress moves to take the government out of the business of indiscriminate bulk collection of domestic calling data, the agency is hardly resisting. Former intelligence officials, in fact, said Friday that the idea to store the data with telecommunications companies rather than the...