Politico: Environmentalists are searching for a Rob Portman to call their own -- a high-profile Republican who would emulate the Ohio senator's flip on gay marriage, only this time by supporting action on climate change.
But the search for that elusive green Republican has so far come up short -- and the prospects aren't looking good in the short term.
That hasn't stopped climate activists from sending people to GOP lawmakers' district offices during the August recess, running ads lambasting "climate...