The White House informed a leading Democratic lawmaker, Senator Dianne Feinstein of California, of its plans, which grew out of a broader internal review of intelligence-gathering methods, prompted by the leak of N.S.A. documents by a former contractor, Edward J. Snowden. (…)

“She believes the committee was not adequately briefed on the details of these programs, and she’s frustrated,” said a committee staff member, who spoke on the condition of anonymity. “In her mind, there were salient omissions.”