News bites: T-minus ...

... Two and a half hours, ish. All set?

The Associated Press has a Q&A roundup on possible outcomes.

Remember the Affordable Care Act's Medicaid expansion? No? NPR thought so.

The ruling will play into arguments about President Obama's leadership.

The White House signaled optimism.

Romney guessed Obama wasn't sleeping well.

Kaiser Health News is tracking good SCOTUS tweets.

Beyond all of that —

Thousands of the federal firefighters combating the "epic" Colorado blazes do not have health insurance, The Washington Post reports.

Medicare scare ads are targeting seniors with false claims, Bloomberg reports.

Federal health officials have started a pilot program for free HIV testing in local pharmacies, The Wall Street Journal reports.

The New York Times describes the rare form of leukemia that killed beloved writer and director Nora Ephron this week. RIP.