Aug. 7 (Bloomberg) — Nouriel Roubini, co-founder of Roubini Global Economics LLC, and Christina Romer, a Bloomberg contributing editor and a former White House economic adviser, speak with Bloomberg’s Tom Keene about Standard and Poor’s downgrade of the U.S. credit rating and its implications. Bloomberg’s Adam Johnson, Elliott Gotkine, Al Hunt and Sara Eisen also speak. (Source: Bloomberg)