The morning after Republican Gov. Scott Walker of Wisconsin handily rebuffed Democratic efforts to oust him, politicos in the state and beyond pored over exit poll data and turnout numbers to tease out:
A: How he did it.
B: Where Democrats failed.
My colleague Ron Elving, NPR's senior Washington editor, took a good shot at answering Question A Wednesday morning.
New research out today indicates that a popular medical test may increase the risk for some forms of cancer. A large international study found that CAT scans, which are also known as CT scans, can increase the risk for leukemia and brain cancer in children.
NPR's Rob Stein joins us now to talk about the new findings. And, Rob, I understand the concerns about these scans have been building for a long time. So what's the specific source of worry here?