"Billionaire brothers David and Charles Koch are the wealthiest, and perhaps most effective, opponents of President Obama's progressive agenda. They have been looming in the background of every major domestic policy dispute this year. Ranked as the 9th richest men in America, the Koch brothers sit at the helm of Koch Industries, a massive privately owned conglomerate of manufacturing, oil, gas, and timber interests. They are best known for their wealth, as well as for their generous contributions to the arts, cancer research, and the Smithsonian Institute. But David and Charles are also responsible for a vicious attack campaign aimed directly at obstructing and killing progressive reform. Over the years, millions of dollars in Koch money has flowed to various right-wing think tanks, front groups, and publications. At the dawn of the Obama presidency, Koch groups quickly maneuvered to try to stop his first piece of signature legislation: the stimulus. The Koch-funded group "No Stimulus" launched television and radio ads deriding the recovery package as simply "pork" spending. The Cato Institute -- founded by Charles -- as well as other Koch-funded think tanks like the Heritage Foundation, produced a blizzard of reports distorting the stimulus and calling for a return to Bush-style tax cuts to combat the recession. As their fronts were battling the stimulus, David's Americans for Prosperity (AFP) spent the opening months of the Obama presidency placing calls and helping to organize the very first "tea party" protests. AFP, founded in 1984 by David and managed day to day by the astroturf lobbyist Tim Phillips, has spent much of the year mobilizing "tea party" opposition to health reform, clean energy legislation, and financial regulations." - Steven Perez from Bookmarklet