Stalin should really just cut his losses already and negotiate. He's not wrong though, refusing to let the Americans operate out of Soviet soil. Once they arrive, they will never go.
Well, we've got MacArthur's appearance, now I'm just looking forward to Patton and Ike. Patton especially, what with his flame and fury at FDR's politicking getting thousands if not more of America's boys getting killed for no good reason.