I know I am missing a ton of interesting stuff out there, but here is my best shot. A list of interesting commentary and analysis after the jump (i.e., more reading than the 193 pages the justices themselves wrote). I will be updating this list throughout the day:
* Adam Liptak has his news analysis here.
* David Brooks columnizes here.
* Neal Katyal has this op-ed about the potential long-term consequences to federal power.
* Richard Epstein has this op-ed on the opinion's splitting of the commerce and taxing powers.
* Lyle Denniston offers his analysis here and here.
* Linda Greenhouse has this Opinionator piece.
* Paul Krugman writes about the impact of the opinion here.
* Tim Jost offers his thoughts here.
* Judge Richard Posner comments on the opinion (and the ACA) here, and why the commerce power should have been sufficient to uphold the Act here.
* Jack Balkin discusses the taxing power argument here.
* Dahlia Lithwick comments on a "historic day" for the Chief Justice here.
* Walter Dellinger here discusses why it is now really the Roberts Court.
* Jeff Shesol writes here about how liberals should not be falling in love with the Chief.
* David Franklin argues here that the Chief acted to save the Court.
* Larry Solum serves up some trenchant analysis here, here, here, here, here, and here.
* Jedidiah Purdy offers his thoughts here.
* Jonathan Adler has his thoughts here.
* Gillian Metzger--who deserves some serious kudos for sticking with the tax power argument in her amicus briefs throughout the litigation--writes about it all here.
* Adam Winkler talks about the Chief Justice's concern for the Court institutional legitimacy here.
* Randy Barnett here contends that it was "a weird victory for federalism."
* Ilya Somin describes the decision as a "partial victory for federalism" here.
* Gerard Magliocca offers his thoughts here.
* Laurence Tribe here discusses the Chief Justice "coming into his own."
* Erwin Chemerinsky here asks whether the decision was a surprise.
* Robert Barnes writes about the decision here.
* Dan Eggen has his thoughts here.
* Ezra Klein writes about the "political genius" of the Chief Justice here.
* Rick Pildes here compares the Chief Justice to the Mona Lisa.
* John Fabian Witt compares yesterday's decision to that upholding the Social Security Act here.
* Andrew Koppelman discusses (rather unfavorably) Justice Kennedy's vote and opinion here.
* Joey Fishkin here describes the decision as "a massive victory for liberalism."
* Neil Siegel discusses the Court's approach to the tax power here.
* Michael McConnell has these thoughts on the spending power holding.
* David Bernstein asks here whether we should be partying like it is 1936.
* Orin Kerr has this analysis on whether the Chief was the second Justice Roberts to have a "switch in time."
* Steve Vladeck has these doubts about the analogy to Marbury.
* George Will columnizes here.
* As does E.J. Dionne here.
* David Savage writes about yesterday's events here and here.
* Jess Bravin has coverage here.
* Ashby Jones and Brent Kendall report here on the Chief's straddling the Court's partisan divide.
* Clark Neily has this essay in the SCOTUSblog symposium.
* Ilya Shapiro of CATO writes here that his side "won everything but the case."
* Robert Alt has this take on the Chief's "twisting" construction of the statute.
* Alan Morrison has this essay on the Court's AIA holding. (Props for being the only commentator I know to discuss that aspect of the decision!)
* Jordan Weissmann has this essay on the Medicaid holding in the Atlantic.
* Daniel Fisher offers his analysis here on how the Chief marshaled a majority.
* Rick Ungar has more here about the speculated "switch."
* Brian Wolfman here discusses the unrestrained aspects of the Court's "judicial restraint."
* James Stewart has this article about the silver lining that conservatives see in the decision.
* Michael Doyle has this report on the litigation still to come.
* The National Review has this symposium with several contributors.
* Russell Korobkin has these thoughts on the opinion's spending power analysis and the future of cooperative federalism.
* Jeffrey Rosen has this essay on the opinion's revealing of the true Roberts Court.
* Jonathan Cohn has this analysis of how badly the Court undermined Medicaid, and this on how the Court did not do much with respect to the commerce power.
* Nate Cohn has this article on why the decision will not affect the election.
* Noam Scheiber has this essay asking whether the chief Justice will turn the tide of public opinion.
* William Galston talks here about how the conservatives march through the Court hit a wall.
* Ed Kilgore writes here that the decision is a greater threat to Medicaid than most think.
* Harold Pollack writes here about the "enduring damage" the case has caused.
* Geoffrey Stone has this analysis of how the competing opinions addressed the "broccoli question."
* The Boston Review has this interview with Pam Karlan about the decision.
* Elizabeth Wydra writes here that the opinion marks the triumph of law over politics.
* David Kopel discusses here the limits the opinion imposes on Congress's powers.
* Mark Graber offers his thoughts here.
* Deborah Pearlstein has this analysis, including an examination of the "switch" evidence.