Bernie Sanders is drawing large, energetic crowds, but that hasn't translated into wins in large states. It turns out there is often a disconnect between big rallies and winning elections.
Among them: Two incumbent Pennsylvania congressmen are on the defense amid questions about their ethics and personal relationships; and Maryland candidates for Senate are divided by race and gender.
Five delegate-rich states on the East Coast's "Acela corridor" vote Tuesday. Can front-runners Donald Trump and Hillary Clinton wrap up their respective nominations?
Sen. Jeff Merkley is the only senator to publicly back Bernie Sanders for the Democratic presidential nomination. He talks to Steve Inskeep about his support for Sanders over Hillary Clinton.
In the suburbs of Washington, D.C., wealthy businessman David Trone has injected more than $12 million of his own money to try to win the Democratic primary in Maryland's 8th Congressional District.
Ex-Gov. Tom Ridge, also the former head of the Department of Homeland Security, talks to Steve Inskeep about why he has endorsed Ohio Governor John Kasich for president.
Five states hold primaries on Tuesday and Pennsylvania has the biggest delegate prize. Lourdes Garcia-Navarro talks to former Governor Ed Rendell for some insight into that swing state's politics.
As Donald Trump moves closer to the GOP nomination, there's been a lot of talk that he'll tone down his image. But that wasn't evident on Monday, the day before five Northeast states hold primaries.
A man who says former House Speaker Dennis Hastert sexually molested him decades ago has sued Hastert. He says he wants the rest of a multimillion-dollar payoff that Hastert promised him.