(Most recent update: 12:50 p.m. ET.)

Saying that "foolish mistakes were made by people trying to be more efficient in their workload selection," the outgoing head of the Internal Revenue Service told Congress on Friday that he and the agency want to apologize for the targeting of some conservative groups during the 2012 campaign cycle.

Police in New Orleans have arrested six people in connection with last Sunday's mass shooting at a Mother's Day parade. Two brothers have been charged with 20 counts of attempted murder, for firing guns into a dancing crowd. Four others have been charged with assisting them after the fact.

On Thursday, President Obama named Daniel Werfel, 42, acting IRS commissioner. The announcement comes a day after the resignation of Steven Miller, who got caught up in the controversy over the IRS targeting Tea Party groups.

To celebrate the 100th anniversary of Indian cinema, four famous Bollywood directors have made an anthology movie, Bombay Talkies. Commentator Sandip Roy says one of the shorts is pretty revolutionary because it has a gay protagonist, and what is probably Bollywood's first gay kiss.

From the Afghan capital Kabul, Morning Edition's Renee Montagne talks to Gen, Joseph Dunford, the commander of all U.S. and international forces there. They discuss the challenges of the current situation on the ground, and look ahead to the withdrawal of NATO combat troops in 2014.

Today, Rick Bounds is a 58-year-old triathlete, with four competitions and a 100-mile bike ride to his credit.

But six years ago, he was diagnosed with a nonhepatitis liver disease. Rick's doctors told him that if he didn't have an immediate kidney and liver transplant, he would die.

He was given eight months to live and told that his chances of getting organs were slim.

'No Hope'

Sales of guns and ammunition rose after President Obama took office in 2008, and they went through the roof starting late last year, when a school shooting led to a push for new gun control measures. That's led to a prolonged ammunition shortage, even with manufacturers running at full capacity.

President Obama had a reputation when he took office as a liberal former constitutional lawyer who had condemned Bush-era national security policies.

But he has proven to be even tougher than President George W. Bush on prosecuting national security leaks. The seizure of Associated Press phone records is just the latest example.

The candidates have spent a record amount of money. They've stumped hard in a city that isn't easy to campaign in — 470 square miles sliced up into neighborhoods divided by a web of freeways.

Yet despite nearly $20 million in spending in the March primary alone, turnout is expected to be low next Tuesday in Los Angeles when voters go to the polls to pick a new mayor to replace the term-limited Antonio Villaraigosa.

As a result, City Councilman Eric Garcetti and his opponent, City Controller Wendy Greuel, are engaged in an all-out blitz for votes across the sprawling city.

In the Western stereotype, Buddhists are meditating pacifists who strive to keep their distance from worldly passions. But last month, more than 40 people were killed in fighting between Buddhists and Muslims in the central Burmese town of Meiktila. Witnesses say some Buddhist monks joined in the violence, while others tried to stop it.

One prominent monk in particular has been blamed for being behind it.