Free Republic

When To Start Watching: Polls will close for the Louisiana Republican primary at 8 p.m. CDT (9 p.m. EDT). Results will begin to come in around 8:30 p.m. CDT. What's At Stake: Twenty of the state's 46 delegates are up for grabs Saturday, divided proportionately among all candidates who receive more than 25 percent of the vote in the state. Louisiana hosts a closed primary, meaning only registered Republicans may vote for the four candidates in the GOP contest.

Rick Santorum will win the Louisiana primary Saturday, CBS News projects. The victory is fresh evidence of the weakness of front-runner Mitt Romney, who is nonetheless increasingly likely to be the Republican who takes on President Obama in November. According to exit polls, Santorum, a former Pennsylvania senator and social conservative, did well among evangelicals, Catholics and those who identify themselves as "very conservative." With 16 of 4,267 precincts reporting, Santorum had about 40 percent of the vote, while second place Romney had 31 percent. Former House Speaker Newt Gingrich was a distant third with 21 percent and Texas Rep....

<p>He also received the support of Sen. Sam Brownback, Kansas Republican and a leading traditional conservative.</p> <p>Mr. Perkins is one of three Republicans seeking to challenge Democratic Sen. Mary L. Landrieu. Along with former Republican Rep. Jim Talent, who is challenging Democratic Sen. Jean Carnahan in the race in Missouri, he is one of the few candidates in the country who have received the full support of social conservatives nationally in the current election cycle.</p>