Hill: In a not-so-subtle visit to Canada, New Jersey Gov. Chris Christie (R) pushed for construction of the controversial Keystone XL oil pipeline, but he might have lent a helping hand to environmentalists who oppose the project in the process.
Christie, who is considered a possible Republican presidential candidate in 2016, slammed President Obama for dithering on the long-delayed oil sands project, saying thats no way to treat a friend.
While urging for construction of the project, however,...