These days, Washington is hanging on every word of Vice President Joe Biden as speculation over his presidential ambitions reaches its apex. Biden raised eyebrows on Monday when he said, “I don’t consider Republicans enemies, they’re friends” — seen as a rejoinder to Hillary Clinton’s comment during the first Democratic debate that she considers Republicans her enemies.

Over at Vox, Ezra Klein argues that this is actually Biden’s best asset against Clinton. “If Biden does run for president, this is likely to be the core rationale for his campaign,” Ezra writes. “The next Democratic president is going to be facing a Republican House and will need to work with Republicans to get big things done. Hillary Clinton is loathed by Republicans, and she loathes them back — working with people she describes as enemies is not likely to be her strong suit.”