WASHINGTON (AP) — At the center of a political storm, an Internal Revenue Service supervisor whose agents targeted conservative groups swore Wednesday she did nothing wrong, broke no laws and never lied to Congress. Then she refused to answer lawmakers' further questions, citing her Fifth Amendment right not to incriminate herself.

WASHINGTON (AP) — The Obama administration acknowledged for the first time Wednesday that four American citizens have been killed in drone strikes in Pakistan and Yemen since 2009. The disclosure to Congress comes on the eve of a major national security speech by President Barack Obama in which he plans to pledge more transparency to Congress in his counterterrorism policy.