With bipartisan congressional talks to end the U.S. government shutdown bogging down on Friday, the hit to the national economy is growing, experts said. "Even if there is a reopening of the government in the next couple of weeks, you're going to see a visible and permanent loss of economic activity as a result of the government shutdown," Greg Daco, chief economist at consulting firm EY-Parthenon, told CBS News. Estimates of the economic impact range from $7 billion to $16 billion per week, with the White House's Council of Economic Advisers, a U.S. government agency, forecasting a weekly loss of $15 billion. A ... (full story)