During the Civil War, both sides were working on early submarine designs, though it was the Confederacy that was the first to deploy one against the enemy.
with scott pelley. pelley: this is a special western edition. good evening. newt gingrich has shaken up the race for the republican presidential nomination. cbs news projects tonight that he has won the g.o.p. primary in south carolina, defeating the man who was once the front- runner, mitt romney. here are the votes as we have them so far. 43% of the vote in, and counting. here is the key to the gingrich victory. he got more than 40% of three important voting groups the tea party movement, conservatives, and evangelicals. we hav we have a team of correspondents covering the south carolina primary. first, dean reynolds with the gingrich campaign. dean. we re expecting the former speaker to be taking that platform any moment now. you know, his campaign sort of saw this thing shifting right after the debate on monday when they detected a tonal shift in their opponent. mitt romney began attacking them, and not president obama. and that told them that they had a nervous oppone
republican presidential primary in the south. and what happens in south carolina tonight could shake up the race for the g.o.p. nomination. here s why. a poll that came out just before the voting began today showed newt gingrich had opened a 14-point lead in south carolina over the national front-runner, mitt romney. gingrich with 40% to romney s 26%. when we asked south carolina voters today when they made up their mind in this fast-changing race, more than half, 53%, said they decided just today or in the last few days. we have a team of campaign 2012 correspondents covering the south carolina primary. first, dean reynolds in columbia with the gingrich campaign. dean. reporter: scott, i talked to the former speaker today, and i can tell you, he is brimming with confidence and looking ahead to future contests. gingrich campaigned right up to the last minute, believing he s followed a winning strategy against mitt romney. once you began dribbing romney s record, which is,
republican presidential primary in the south. and what happens in south carolina tonight could shake up the race for the g.o.p. nomination. here s why. a poll that came out just before the voting began today showed newt gingrich had opened a 14-point lead in south carolina over the national front-runner, mitt romney. gingrich with 40% to romney s 26%. when we asked south carolina voters today when they made up their mind in this fast-changing race, more than half, 53%, said they decided just today or in the last few days. we have a team of campaign 2012 correspondents covering the south carolina primary. first, dean reynolds in columbia with the gingrich campaign. dean. reporter: scott, i talked to the former speaker today, and i can tell you, he is brimming with confidence and looking ahead to future contests. gingrich campaigned right up to the last minute, believing he s followed a winning strategy against mitt romney. once you began dribbing romney s record, which is,