It was supposed to be a routine meet-and-greet at a local New Hampshire pizza parlor, but today's campaign stop turned into a "Punk'd" episode for Republican presidential candidate, Scott Walker, after he was tricked into posing with a phony check from the Koch Brothers made out to him in the amount of $900,000.According to The Guardian's Sabrina Siddiqui, who shared an image of Walker posing with the prop check, Walker appeared to believe he was posting with a sign that read "Walker 4 President" before the sign was turned to the cameras to expose its true sentiments:[embedtweet id=628226575796957184]Walker appeared to have been trolled by a member of 350 Action, an environmental group which has led the fight against the Keystone XL pipeline and is calling on 2016 presidential candidates to refuse campaign contributions from fossil fuel companies.In a blog post on July 15, one day before the date on the phony check presented to Walker, 350 Action's Jong Chin outlined the group's efforts to push 2016 candidates on the issue of climate change in the early voting state of New Hampshire before promising, "we have some time to work with, and a lot of events to go to, including a couple Clinton and a couple Walker events on Thursday.