It's become popular lately in Washington to declare that the Tea Party is dead and its influence within the Republican Party is waning. But Michael Needham, the CEO of Heritage Action who helped orchestrate last year's effort to defund President Obama's health care law, insists “it's stronger now then it ever has been.”

Watch him explain why in the latest episode of "Dialogue with Philip Klein." In the video above, Needham discusses his efforts to get Republicans to embrace the populist appeal of the Tea Party over corporate special interests. Needham says this is a necessary part of implementing a broad conservative policy agenda in areas such as taxes and health care.