Twelve people are dead in suburban Colorado, shot while at the movies. What has followed has been an almost rote recitation of the now-standard script for such affairs: Shock, horror, fear, anger, sadness, expressions of sympathy and solidarity with victims and their families, public calls for us to come together as a nation and not bring "politics" into this upwelling of communal grief. Speculation as to how many lives might have been saved if everyone in the theater had been packing.

For tonight's show, we'll hear from Billy, who wrote an iPhone app called TranSquat. In a nutshell, it is a gender neutral bathroom finder that locates bathrooms that are gender free relative to your current location. You can search, add and share safe discreet locations. It was written by and for the trans community. It is powered by data from safe2pee. You can help build the app by downloading and adding locations in your own communities. 

We'll have more to come so stay tuned.

Today on the Digital Divide we'll hear a talk on What Journalism Can Learn from Science, from a recorded A session at SXSW Interactive 2012. Today's talk will feature Gideon Lichfield, Media Editor for The Economist and Matt Thompson, Editorial Manager at NPR.

The scientific method revolutionized the world of truth-seeking. Yet journalism - which, like science, seeks truth - is far less rigorous. We’ll walk through why this gap has led to record levels of distrust in journalism, and why journalism that’s replicable, trackable, and reviewable can help to restore that trust.

In the decades before the Civil War, the southern states resisted federal authority by way of the doctrine of nullification, which holds that an individual state has the right to invalidate any federal law which it has deemed to be unconsitutional.

It's a big week for the Supreme Court. Monday's decisions on Arizona's "Papers, Please" law and mandatory minimum sentences for juveniles are a prelude to the big one -- a decision on the Affordable Care Act, expected later this week.

Jerry Flanagan of Consumer Watchdog joins Abe to discuss the coming decision on President Obama's signature health care legislation.