Continuing coverage - West Virginia coal mine disaster - The latest updates on the investigation into Monday night's fatal coal mine explosion, as well as the search for miners unaccounted for.

Continuing coverage - Shuttle Discovery mission - Space shuttle Discovery linked with the international space station this morning.

9:00 am ET - Greenspan testifies on financial crisis - The Financial Crisis Inquiry Commission holds a public hearing on “Subprime Lending and Securitization and Government-Sponsored Enterprises.” Former Fed chief Alan Greenspan testifies.

11:15 am ET - First lady on childhood obesity - First lady Michelle Obama joins C-SPAN host Susan Swain for a live Let’s Move! town hall with student reporters and young people from schools across the country.

1:00 pm ET - State Department briefing - The State Department holds its daily briefing with reporters.

3:00 pm ET - Sarah Palin attends rally in Minnesota - Former Republican Vice Presidential candidate Sarah Palin appears at a rally with Rep. Michele Bachmann and Gov. Tim Pawlenty.

8:21 pm ET - Waking up the astronauts - NASA wakes up the crew of space shuttle Discovery as the mission with the international space station continues.