Feinstein asked for an apology and said she had grave concerns over the CIA's actions.
“Nothing could be further from the truth,” Brennan said.
The margin was narrow, with 43 percent disapproving and 42 percent approving.
A flurry of defense-related Capitol Hill hearings begin Tuesday with President Obama’s nominee to head the National Security Agency and U.S. Cyber Command.
The Senate approved the bill days after rejecting tougher legislation.
The Pentagon recently updated its dress rules, but not to the satisfaction of Sikh advocates.
A military judge is considering throwing out sexual assault charges against an Army general after determining there was improper command influence in the case.
He used proxies to mask his location during a satellite interview at a Texas festival.
The director of national intelligence said an “anticipatory warning” was given.
The congressional defense committees will dive into a dizzying budget schedule next week on Capitol Hill.