At a Republican retreat, at the Library of Congress, right before Obama's 2009 inauguration, Mitch McConnell said:

"There are enough of us to block the Democratic agenda-as long as they all marched in lockstep." "As long as Republicans refused to follow President Obama's lead, Americans would see partisan food fights and conclude that Obama had failed to produce change."

January 20, 2009 Republican leaders in congress literally plotted to sabotage and undermine the U.S. economy during President Obama's inauguration. 12 republican senators, Frank Luntz and Newt Gingrich plotted to destroy America's Economy.

Since 2007, "the GOPs willingness to say not to everything, they have filibustered 500 pieces of legislation that would have helped the middle class.

Examples:
Student Loan Affordability Act
Bring Jobs Home Act
Small Business Jobs and Tax Relief Act
Paying a Fair Share Act of 2012
Repeal Big Oil Tax Subsidies Act
Paycheck Fairness Act