The Truth-o-Meter says: Mostly False | Would billionaire environmentalist Tom Steyer profit if Keystone Pipeline was killed? It’s Republican strategist Karl Rove versus billionaire Democratic donor Tom Steyer in Iowa. Rove’s group, American Crossroads, is up with a new ad that claims the Democratic Senate candidate there, Rep. Bruce Braley, is doing the bidding for Steyer by voting against the Keystone XL oil pipeline.