Protesters confronted Democratic Govs. John Hickenlooper of Colorado and Jay Inslee of Washington while they were participating in a discussion on energy policy at a Politico Caucus event on Wednesday.
Democratic presidential candidate Hillary Clinton has now collected more than $5 million in bundled lobbyist contributions, many of which come from lobbyists who represents industries that she opposes on the campaign trail, recent campaign finance filings show.
As Hillary Clinton tries to ward off a grassroots primary challenge, she has adopted energy policy views significantly to the left even of her own campaign chairman.
House Democrats are expected to oppose legislation this week that would remove regulatory burdens for energy production on Native American land that tribes say have cost them tens of millions of dollars.
A federal judge Wednesday blocked the Obama administration from implementing new regulations on hydraulic fracturing, saying that the administration does not appear to have the statutory authority to do so.