This AI Sputnik turned out to be a total Splatnik. A much-hyped Russian robot faceplanted and flailed on stage during its grand debut in a humiliating misstep for mankind. AIDOL — an android hailed as “Russia’s first anthropomorphic robot with artificial intelligence” by its creator company of the same name — was led out onto a Moscow stage to much fanfare Tuesday as a group of about 50 journalists looked eagerly on. The “Rocky” theme song “Gonna Fly Now” even blared over the speakers as AIDOL