Sarah Carlson, a senior vice president at Moody's Investors Service, discusses the White House budget proposal and the direction of the U.S. credit profile. Bloomberg's Meenal Vamburkar talks about Trump's decision to grant a U.S. permit to Transcanada for its Keystone XL pipeline. Joel Levington, a senior credit analyst at Bloomberg Intelligence, discusses BI's activist audit model, which helps signal companies that may be exposed to rising credit risk. Finally, Frank Holmes, CEO and CIO of U.S. Global Investors, explains to Pimm Fox and Lisa Abramowicz why he still likes airlines.