Newt Gingrich stands to gain more than 50 delegates in the Republican presidential race, thanks to his overwhelming victory in Tuesday’s Georgia primary. .....If the totals hold, Rick Santorum would fall about 3,500 ballots shy of reaching 20 percent of the statewide vote. Failing to meet that threshold means Santorum was shut out of a share of 34 delegates awarded based on the statewide vote. Only Gingrich and Romney met that minimum percentage. Based on his vote total alone, Gingrich stands to win 16 statewide delegates; Romney 8. Under the state GOP rules, the remaining 10 statewide delegates are awarded...