The European Commission’s digital policy chief on Monday warned X chairman Elon Musk that EU law will apply to a forthcoming livestreamed conversation between Musk and United States presidential candidate Donald Trump. The commission is already investigating X for possible breaches of the European Union’s Digital Services Act (DSA), a broad online content law that requires large platforms to mitigate a variety of “systemic risks.” These risks include the spread of illegal content and “negative effects on civic discourse and electoral processes, and public security.” Fines for breaching the DSA…