GOP rivals take on Haley in effort to blunt her rise, and other takeaways from the Republican debate

With the Iowa caucuses rapidly approaching, a shrinking field of Republican White House hopefuls gathered Wednesday in Alabama for the fourth presidential debate. As usual, former President Donald Trump, who is dominating the GOP primary, didn't appear. Instead, Florida Gov. Ron DeSantis, former South Carolina Gov. Nikki Haley, businessman Vivek Ramaswamy and former New Jersey Gov. Chris Christie continued their effort to gain a sliver of the spotlight in the race. Here are some takeaways from the final primary debate of 2023: Fighting Trump for once Advertisement The front-runner in the Republican primary has no end of vulnerabilities. He faces…