McLaurin, an attorney who has served in both the Georgia House and Senate, won his race as Democrats swept statewide offices and captured a House majority. Republicans, however, retained a narrow majority in the Senate, the last GOP stronghold at the Capitol. That dynamic has set up a confrontation over the lieutenant governor's traditional authority to preside over the Senate, make committee assignments, and help shape the flow of legislation.

In Georgia, the lieutenant governor's power is not spelled out in the state Constitution but is instead set by Senate rules. Republicans have twice in recent years changed those rules to weaken the position when a Democrat held it. In 2003, the GOP stripped Democratic Lt. Gov. Mark Taylor of control over committee assignments and the chamber's agenda after Republicans won a Senate majority for the first time since Reconstruction. A decade later, Republicans removed Democratic Lt. Gov. Casey Cagle's ability to assign bills to committees after he clashed with GOP leaders.

Former Republican Lt. Gov. Geoff Duncan, who served in the role for four years, said the history is clear. "The lieutenant governor's power is whatever the majority says it is," Duncan said. "The rules are set by the majority, and they can change them."

McLaurin has said he hopes to avoid a partisan fight over the office's authority. "I'm going to work with Republicans in the Senate to advance bipartisan legislation and avoid political gridlock," he said during a news conference at the State Capitol on Nov. 4. "I'm ready to fight back if they come after the powers of this office, but I'd rather work together."

Senate Republican leaders have not publicly committed to changing the rules, but some have signaled they are considering it. Senate Majority Leader Harold Jones, a Democrat, said he expects Republicans to try to limit McLaurin's authority. "They're going to try to take away the powers of the office, but we're going to fight back," Jones said.

State Sen. Elena Parent, a Democrat, said Republicans should focus on governing rather than settling scores. "The voters have spoken, and they expect us to work together," she said. "If we start changing the rules to punish the other party, we're not going to get anything done."

The lieutenant governor's role includes presiding over the Senate, ruling on parliamentary procedure, and appointing members to committees, which can determine the fate of legislation. The position also has a tie-breaking vote in the Senate, which could be crucial in a narrowly divided chamber.

McLaurin's allies say he has a mandate from voters who elected him alongside Democratic Gov.-elect Stacey Abrams and other statewide candidates. "The people of Georgia voted for change, and they want leaders who will work together," said Democratic state Sen. Nikki Merritt. "Josh is committed to doing that, but he needs the tools to do the job."

Republicans, meanwhile, say they are not obligated to preserve powers that were created by their own majority. "The rules are the rules, and they can be changed by the majority," said Senate Republican Leader Mike Dugan. "We're going to do what's best for the institution and for the people of Georgia."

The fight over Senate rules is expected to begin when the General Assembly convenes in January. McLaurin has said he will push for a bipartisan agreement on the rules, but he acknowledged that Republicans may not be willing to negotiate. "I'm hopeful that we can find common ground," he said. "But if they want a fight, I'm ready for one."

The outcome could have significant implications for the balance of power at the Capitol, where Democrats will control the governor's office and the House for the first time in two decades. If Republicans strip the lieutenant governor's powers, McLaurin would be left with little more than a ceremonial role, limiting his ability to influence legislation and advance his agenda.

Duncan, the former Republican lieutenant governor, said the GOP should be careful about weakening the office. "You can't just change the rules every time you don't like the person in the job," he said. "That's not good for the institution, and it's not good for the state."

McLaurin, for his part, said he is focused on the work ahead. "I'm not going to get bogged down in a power struggle," he said. "I'm going to focus on the issues that matter to Georgians: expanding access to health care, investing in public education, and protecting voting rights. That's what I was elected to do."