The Julian Lewis sweepstakes have been a central storyline in the world of recruiting this cycle. The five-star quarterback out of Carrollton High in Georgia remains committed to USC entering the summer, but other programs continue to try and change that. Colorado is in that group. Surprising to some, but the Buffaloes have remained in contention for the touted signal-caller. Earlier this spring, Lewis locked in an official visit with Deion Sanders and Co. for the June 21 weekend — one month from now. On Tuesday, Lewis confirmed his plans to return to Boulder this summer: Indiana (May 31), USC…