S&P explains again that default threats hurt US credit rating

Jeff Liszt, pollster for Democratic polling firm Anzalone Liszt Research, talks with Rachel Maddow about the disproportionate influence of the extremist conservative minority in America and the peril their radical positions can put the whole country in when they seep into the mainstream as in the case of the debt ceiling debacle that led to the downgrade of U.S. debt.Aug. 13, 2011