This is the accepted manuscript made available via CHORUS. The article has been published as: Kondo liquid emergence and relocalization in the approach to antiferromagnetic ordering in CePt_{2}In_{7} N. apRoberts-Warren, A. P. Dioguardi, A. C. Shockley, C. H. Lin, J. Crocker, P. Klavins, D. Pines, Y.-F. Yang, and N. J. Curro Phys. Rev. B 83, 060408 — Published 22 February 2011 DOI: 10.1103/PhysRevB.83.060408