NBC Video: Decision 2010
Landrieu Explains Why Obama Has a Hard Time in Louisiana
Sen. Mary Landrieu tells Chuck Todd President Obama has a hard time in Louisiana because of his energy policies and the South's history of racism.
2010 primaries to watch
A calendar of contests in the race to Election Day 2010.
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The decade in politics
Msnbc.com's politics team takes a look at 10 moments that defined the decade.