Links for 01-17-16

• TINA and the ACA - Paul Krugman
• Why creating single-payer health care in America is so hard - Harold Pollock
• The Grand Strategy of Rising Superpower Management - Brad DeLong
• A ranking of financial economists by centrality - Vox EU
• Why Does "Pi" Appear in the Normal Density - Dave Giles
• Replicability and Publication - Leisure of the Theory Class
• What Davos should be talking about - CBS News
• What #ResistCapitalism Gets Wrong - Noah Smith
• Deliberation, rationality, and reasoning - Understanding Society
• The stabilising role of dollar borrowing - Vox EU