Vance made the comments on the "Shawn Ryan Show."Chip SomodevillaJD Vance suggested the US may reconsider NATO support if the EU tries to regulate Elon Musk's X.Vance seemed to reference a letter from Thierry Breton to Musk.Vance made the comments during an appearance on the "Shawn Ryan Show."JD Vance suggested that the US may reconsider its support for NATO if the European Union pursued regulations targeting social media platforms, particularly Elon Musk's X.Vance made the remarks during a recent appearance on the "Shawn Ryan Show," where he expressed concerns about a perceived threat to free speech.Vance, Donald Trump's running mate in the upcoming presidential election, claimed on the show that an EU official had threatened to arrest Musk if he platformed Trump."The leader, I forget exactly which official it was within the European Union, but sent Elon this threatening letter that basically said: 'We're gonna arrest you if you platform Donald Trump,'" Vance said."What America should be saying is, if NATO wants us to continue supporting them and NATO wants us to continue to be a good participant in this military alliance, why don't you respect American values and respect free speech?" he continued, adding that it was "insane that we would support a military alliance if that military alliance isn't going to be pro-free speech."Vance seemed to be referring to a letter posted on X in August by Thierry Breton, the European Commissioner for the Internal Market at the time.Breton addressed the letter to Musk ahead of the X owner's much-publicized interview with Trump, warning him against amplifying "harmful content."Breton wrote that Musk and X had an obligation to comply with EU law, ensuring freedom of expression and information but making sure that "all proportionate and effective mitigation measures are put in place regarding the amplification of harmful content in connection with relevant events."The EU Commission had previously said in July that X did not comply with the EU's Digital Services Act on advertising transparency and in relation to its verified accounts policy.Breton said that the commission's preliminary findings suggested that X's blue checks "deceive users" and infringe the DSA.Responding to the findings on his social media platform, Musk said that the European Commission had previously offered X "an illegal secret deal.""If we quietly censored speech without telling anyone, they would not fine us.