National

The Senate's intelligence oversight panel had its computers searched by CIA workers, who also improperly removed some documents that had been provided to the panel, Sen. Dianne Feinstein said in a lengthy and scathing speech on the Senate floor Tuesday. She said some of the actions could be illegal or unconstitutional.

Deborah Hersman, known to many Americans because she's the face of the National Transportation Safety Board at the scene of plane crashes and other transportation-related disasters, is stepping down as head of the NTSB.

Another cold snap could change things, of course, but it appears that after a long winter the Great Lakes have come close to — but won't break — their recorded record for ice cover.

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MICHEL MARTIN, HOST:

Cash prizes await "citizen scientists" who can improve algorithms that help NASA find and identify asteroids in our solar system, the agency says. A contest to find more asteroids begins next week, in what NASA calls an attempt to crowdsource innovation.

People who got off to a rough start with Obamacare or haven't picked a plan still have options. But they better hop to it. The open enrollment period ends March 31.

Those who were unable to sign up for a marketplace plan because of the glitches with federal or state websites can receive coverage retroactive to the date they originally applied. There are also retroactive premium tax credits and subsidies, the federal government said in late February.

Dallas Seavey was the first musher to slip under the famed burled arch finish line in Nome, Alaska, winning his second Iditarod Trail Sled Dog Race after a 1,000-mile slog from Willow.