Banking giants JPMorgan and Goldman Sachs post positive earnings news. NBR's Erika Miller looks at whether they'll be able to keep up the pace. The growing concern over the U.S.'s ability to pay its IOUs is turning into a debate over the definition of a "debt default." NBR's Darren Gersh has more on why Washington's wrangling could hurt the U. S. economy. And, from Chipotle to Wendy's...are fast food chains meeting investors' appetites for big returns? NBR's Tom Hudson speaks with Miller Tabak's Stephen Anderson.