The Diffusionists Have Landed - Who carved Phoenician-era Iberian script into a stone found in West Virginia? How did a large stone block incised with medieval Norse runes find its way to Minnesota? Why do ancient temples in India depict what appear to be ears of maize, which is native to America? Questions like these, once the exclusive domain of "crank" science, are now getting respect from some mainstream scholars. The question of pre-Vinking contacts between the Old and New Worlds is now open as never before