Kelsey ReichmannWASHINGTON (CN) — A dozen Republican-led states joined the Supreme Court fight over restrictions for mail-in voting on Wednesday, asking the justices to fully enforce an executive order signed by President Donald Trump. Under Trump’s executive order, U.S. As such, the Republican states say the challenge to Trump’s executive order relies on speculative harm and not an actual conflict. Last month, the Supreme Court shot down a different Republican-led challenge to state mail-in ballot laws that allow for post-Election Day ballot counting. The justices have not yet asked for a response to the filing from Republican states.