EPA to tighten limits on smog-causing ozone

The move fulfills a long-delayed campaign promise by President Obama but sets up a fresh confrontation with Republicans already angry about the administration's plans to curb carbon pollution from coal-fired power plants.

Veterans Affairs problems mount as missteps continue

Congress approved a sweeping overhaul of the department in response to headline-grabbing woes, but the VA continues to be plagued by missteps, including an internal report indicating that nearly one-third of veterans with pending applications for VA health care likely have already died.

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