On this week's episode of the Defense & Aerospace Business Report, sponsored by Bell Helicopter, a Textron company, we discuss the potential impact of Senate Armed Services Committee Chairman Sen. John McCain's brain cancer diagnosis on major defense deliberations on Capitol Hill -- including US Defense Department confirmations, the defense mergers and acquisitions outlook and more. This week's guests include Byron Callan of Capital Alpha Partners, Ron Epstein of Bank of America Merrill Lynch, Steven Grundman of the Atlantic Council and Todd Harrison of the Center for Strategic and International Studies.