Steve Inskeep

Sen. Marco Rubio announced an end to his campaign following a loss in his home state of Florida to Donald Trump. Sitting Ohio Gov. John Kasich dealt Trump his only loss on Tuesday on his home turf.

With David Greene in Ohio and Steve Inskeep in Florida, some Democrat voters say Bernie Sanders pushed Hillary Clinton to be a better candidate.

Clinton beat Sanders in three states. Trump sweeped Florida. Karen Beckwith of Case Western Reserve University of Ohio and Susan MacManus of the University of South Florida weigh in on the races.

Democrat Hillary Clinton won Ohio, Florida, North Carolina and Illinois. Missouri is too close to call for both the Democrats and Republicans.

Bernie Sanders is hoping to change the story of the Democratic race by winning in Missouri, Illinois and Ohio. Steve Inskeep talks to Bob Buckhorn, the mayor of Tampa.

In Florida, the winner of the GOP primary will walk away with all the delegates — 99. And TV watchers in the Sunshine State know that it's election time because of all the political ads.

Ohio is where Donald Trump faces his biggest challenge against Gov. John Kasich. Sen. Marco Rubio is hoping to win his home state of Florida even though polls show Trump is ahead.

Key primary states on Tuesday include Florida and Ohio. David B. Cohen of the University of Akron and Adam Goodman of the Republican strategy firm the Victory Group weigh in on the races.

As expected, Hillary Clinton won the Mississippi primary. Michigan was the bigger prize and polls leading into the primary had Clinton up by double digits, but that's not how it turned out.

Democratic pollster Margie Omero and Republican strategist John Feehery look at what the voter turnout numbers mean following Tuesday's primary contests.

What has happened to the GOP since it was trounced in the last presidential election? Henry Barbour, co-authored of the autopsy report, looks at whether his party paid attention to its conclusions.

Marco Rubio says it's time for people to stand up against Donald Trump. Yet the senator says he will stand by Trump if he is the eventual nominee. Why? Teddy Roosevelt's career may offer a clue.

Rep. Tom Marino, who endorsed Donald Trump, and GOP strategist Mark McKinnon talk to NPR's Morning Edition about Trump's appeal. Marino calls Trump a maverick; McKinnon says the race isn't over.

Hawaii Rep. Tulsi Gabbard, who endorsed Bernie Sanders, and Georgetown University's Mo Elleithee say though Hillary Clinton is leading the race, Sanders has brought focus and new voices to the party.

Iranians are voting Friday in a parliamentary election but not everyone who wants to be a candidate is permitted to run. A group must affirm candidates are properly educated, religious and loyal.

For Iranian tourists at this ancient Persian capital, awe for the past is tempered by disappointment about the present. "We have nothing new that makes us special in the world," says one visitor.

The U.S. and Iran swapped prisoners last month, before the lifting of sanctions. But Siamak Namazi, an Iranian-American businessman, remains in an Iranian jail, raising concerns among the diaspora.

NPR's Steve Inskeep revisits three Iranians he met last year to find out if their lives have changed because of Iran's nuclear agreement with world powers. "We are actually in a new world," says one.

Saeed Laylaz, a former journalist and economist, has been a vocal advocate of reform in Iran. He was jailed in a 2009 post-election crackdown, but now runs an auto business. "I am alive yet," he says.

What does the lifting of economic sanctions against Iran, as part of a nuclear deal, mean for one Iranian?

We met a carpet weaver in the ancient city of Shiraz. She spends her days on the floor of a little room. Working swiftly by hand, she ties knots ...