Frustration Growing Over Lack of Political Action on Illegal Immigration

There are an estimated 11 million illegal immigrants in the U.S.

The United States is locked in a fierce debate over immigration, with an estimated 11 million illegal immigrants.

But frustration is growing at the lack of political action to answer the big immigration questions.

Earlier this month, thousands of people rallied in 150 cities in 40 of the 50 states to put pressure on Washington to deliver an overhaul to the country's immigration rules.