Dennis Durkin is COO and CFO for Microsoft's Interactive Entertainment Business. He's also a dude thoroughly disillusioned with the future of portable consoles. Speaking to IndustryGamers, Durkin explains that the "crowded" nature of the mobile gaming market right now makes it extremely difficult to launch a dedicated handheld gaming device successfully -- in his colorful words, it's "a very, very red ocean." Whose blood is soiling those waters? The Nintendo 3DS, says Durkin, which has
