%0 Journal Article %J Science %D 2007 %T Response to Comment on “Redefining the Age of Clovis: Implications for the Peopling of the Americas” %A Waters, M. R. %A Stafford, T. W. %B Science %V 317 %P 320c - 320c %8 07/2007 %G eng %N 5836 %! Science %R 10.1126/science.1142812