How much will Donald Trump pad his lead, and what will Ted Cruz do next? Even if Bernie Sanders wins, Hillary Clinton's lead is virtually insurmountable. And the GOP Senate primary is one to watch.
If Donald Trump wins most of Indiana's delegates, his path to the nomination will be clear. Even if Bernie Sanders wins the state, he will likely wake up with less of a chance of being the nominee.
The unfavorable numbers for Democrats look pretty bad lately. Their one silver lining: The GOP's look even worse.
Steve Inskeep talks to New York Times reporter Barry Meier about his investigation into Robert Levinson's disappearance, chronicled in his book Missing Man: The American Spy Who Vanished in Iran.
Some of the suspects are said to have ties to DESA, the company building an electric dam protested by the environmental activist.