Krugman is relaxed that stabilizing the debt path through “just” $600 billion in deficit reduction today is achievable, but his own piece then argues against that premise. He believes that Republicans won’t raise taxes, but just this week even relative deficit hawk Rep. Ro Khanna (D‑CA) said he wouldn’t countenance any cuts to social spending to reduce deficits. In fact, House Democrats regularly introduce bills to increase old-age entitlements.