The Hill: Billionaire climate activist Tom Steyer, whos increasingly throwing his weight around in politics, said approving the Keystone XL oil sands pipeline would create political hurdles for President Obamas second-term agenda and cost him the support of key donors.
Steyer, a major Democratic fundraiser, told Grist magazine that Keystone opponents have leverage to exert over Obama even though hes free of having to run for reelection.
If you look at the people who support Obama, and then you look...