With less than six months before voting begins, the legal jousting over the rules for the 2024 election is already underway. And former President Donald Trump’s campaign is getting support from allies who have stayed mostly under the national radar: red-state attorneys general. In court filings made in recent months, these chief state legal officers have advanced a string of arguments — some strikingly far-reaching — that appear designed to lay the groundwork for Republican legal victories in the event of a contested presidential vote, or to otherwise boost Trump and the GOP. Often led by Alab…