Lunchtime Links

A new ad hits Lou Dobbs for flirting with birtherism.

Corporate PACs have an outsize influence among small-state senators.

Want to pass health care reform? Bash the insurance companies.

The IRS is investigating college endowments.

Douthat says red states are having the last laugh.

A Texas Democrat gets shouted down by anti-health reform protesters.

Michelle Obama preaches healthy habits on Sesame Street — and PBS looks to gain funding.

A problematic cash-for-clunkers program takes heat from both sides of the aisle.

Forget cap-and-trade; jellyfish might be curbing global warming.