ATLANTA >> Deshaun Watson and No. 5 Clemson finally turned in the performance everyone was expecting, totally dominating Georgia Tech in the first half on the way to a 26-7 victory Thursday night.After sluggish wins over Auburn and Troy, and a practice-like rout of FCS school South Carolina State that meant nothing, the Tigers (4-0, 1-0 Atlantic Coast Conference) won at Georgia Tech for the first time since 2003 to set up a huge showdown with No.