
Former Alaska governor Sarah Palin speaks at a Tea Party Rally on Boston Common in Boston, Massachusetts, USA 14 April 2010. Event organizers say they want to promote more limited government and lower taxes. The name 'Tea Party' is a reference to the historic Boston Tea Party of 1773, a protest by American colonists against taxation by the British government. Protesters back then dumped tea into Boston harbor. EPA/MATTHEW CAVANAUGH

Former Alaska Governor Sarah Palin waves to the crowd after speaking at a Tea Party Rally on Boston Common in Boston, Massachusetts, USA 14 April 2010. Event organizers say they want to promote more limited government and lower taxes. The name 'Tea Party' is a reference to the historic Boston Tea Party of 1773, a protest by American colonists against taxation by the British government. Protesters back then dumped tea into Boston harbor. EPA/MATTHEW CAVANAUGH

Former Alaska governor Sarah Palin speaks at a Tea Party Rally on Boston Common in Boston, Massachusetts, USA 14 April 2010. Event organizers say they want to promote more limited government and lower taxes. The name 'Tea Party' is a reference to the historic Boston Tea Party of 1773, a protest by American colonists against taxation by the British government. Protesters back then dumped tea into Boston harbor. EPA/MATTHEW CAVANAUGH

Attendees wave flags at a Tea Party Rally where Former Alaska Governor Sarah Palin spoke on Boston Common in Boston, Massachusetts, USA 14 April 2010. Event organizers say they want to promote more limited government and lower taxes. The name 'Tea Party' is a reference to the historic Boston Tea Party of 1773, a protest by American colonists against taxation by the British government. Protesters back then dumped tea into Boston harbor. EPA/MATTHEW CAVANAUGH

An attendees yells at a Tea Party Rally where Former Alaska Governor Sarah Palin spoke on Boston Common in Boston, Massachusetts, USA 14 April 2010. Event organizers say they want to promote more limited government and lower taxes. The name 'Tea Party' is a reference to the historic Boston Tea Party of 1773, a protest by American colonists against taxation by the British government. Protesters back then dumped tea into Boston harbor. EPA/MATTHEW CAVANAUGH

A counter protester holds a sign at a Tea Party Rally where Former Alaska Governor Sarah Palin spoke on Boston Common in Boston, Massachusetts, USA 14 April 2010. Event organizers say they want to promote more limited government and lower taxes. The name 'Tea Party' is a reference to the historic Boston Tea Party of 1773, a protest by American colonists against taxation by the British government. Protesters back then dumped tea into Boston harbor. EPA/MATTHEW CAVANAUGH

Attendees hold flags at a Tea Party Rally where Former Alaska Governor Sarah Palin spoke on Boston Common in Boston, Massachusetts, USA 14 April 2010. Event organizers say they want to promote more limited government and lower taxes. The name 'Tea Party' is a reference to the historic Boston Tea Party of 1773, a protest by American colonists against taxation by the British government. Protesters back then dumped tea into Boston harbor. EPA/MATTHEW CAVANAUGH

Attendees hold flags at a Tea Party Rally where Former Alaska Governor Sarah Palin spoke on Boston Common in Boston, Massachusetts, USA 14 April 2010. Event organizers say they want to promote more limited government and lower taxes. The name 'Tea Party' is a reference to the historic Boston Tea Party of 1773, a protest by American colonists against taxation by the British government. Protesters back then dumped tea into Boston harbor. EPA/MATTHEW CAVANAUGH