* GOP leaders are avoiding picking a fight with Obama directly over the scientific argument underlying his new climate change push, and are only focusing their talking points on jobs — a sign they may be shying away from the political downsides of the climate denialism in their ranks.

* Matthew Yglesias on how Republicans really have limited options to fight back against Obama’s climate push by executive action. Obviously trying to cooperate on a govering solution to this massive problem isn’t an option, so that only leaves posturing.

* Jonathan Bernstein explains: Whether John Boehner allows a vote on an immigration bill that would pass with mostly Dems will depend on what Republicans privately want; and any public statements one way or the other right now are likely worthless.

* Excellent post by Ed Kilgore on why Republicans may dismiss warnings of demographic doom and sink immigration, because they’re “Doubling Down on the White Man’s Party.”

* Richard Socarides nails it on why today’s Supreme Court ruling on DOMA could have far reaching consequences for the battle against state laws barring gay marriage.

* Adam Serwer is good on the dramatic and immediate practical consequences the DOMA ruling will have for gay couples and families that will suddenly enjoy federal recognition.

* Politico predicts Republicans won’t even bother trying to make the DOMA decision an issue in 2014, though it could still flare up in GOP primaries in battles for socially conservative voters. Another sign of how rapidly the culture has shifted.

* Jennifer Rubin captures the caution with which Republicans are greeting the DOMA decision as they seek to defend traditional marriage while acknowledging the shift in public opinion on equality and breaking with social conservatives who can’t accept the sanity of the Court’s decision.

* Your tax dollars at work: House Dems claim the House GOP wasted $2.3 million on defending DOMA after the administration announced it would no longer do so.

* Did John Boehner, in defending DOMA, help bring about its demise? Alex Seitz-Wald makes the case, and argues that it was a colossal political loser for him, to boot.

* As expected:

Within 24 hours of the Supreme Court’s decision to strike down the law requiring nine states to submit voting law changes to the federal government for pre-clearance, six are already moving ahead with voter ID laws, some of which had already been rejected as discriminatory under the Voting Rights Act.

* And I share Steve Benen’s consternation here: If Rand Paul really is a rising star in the GOP and one of the most interesting politicians on today’s public stage, his reaction to today’s DOMA decision suggests the GOP — not to mention all of us — are in serious trouble.

What else?