Ten current and retired postal workers began a four-day hunger strike today to protest Congress' interference with the United States' Postal Service.

Specifically, the activists want lawmakers to kill a requirement that the service pre-pay its retiree health care and benefits fund and to approve a refund of surplus pension contributions.

"Not the Internet, not the recession, not private competition, Congress is killing the postal service," Community and Postal Workers United wrote in a statement.

The state of Montana has lost a closely watched bid to challenge Citizens United, the 2010 Supreme Court ruling that lets corporations deploy their money to help or attack specific candidates.

Citizens United dramatically loosened the restraints on corporate involvement in political campaigns. It also set strict new limits on what's considered "corruption or the appearance of corruption" when it comes to restricting money in politics.

Venus Williams has lost in the first round of the Wimbledon Championships, a striking defeat for the five-time winner of the grass-court tournament. She lost to Elena Vesnina of Russia in straight sets, 6-1, 6-3, after failing to establish her serve.

"I have to give credit to her," Williams said. "She made hardly any errors and served well."

Nigerian President Goodluck Jonathan fired his defense minister and national security adviser, saying the government needs new tactics to counter the militant Islamist group, Boko Haram. They have been blamed for sparking strife in parts of northern Nigeria last week. Host Michel Martin speaks with Al Jazeera English's Yvonne Ndege.

The Supreme Court threw out key parts of Arizona's tough immigration law. But the court didn't rule on one of the most controversial elements of the law. Host Michel Martin speaks with NPR's Ron Elving, Professor Gabriel Chin with the University of California, Davis, and the vice dean of University of Arizona College of Law, Marc Miller.

The United States Supreme Court ruled that an Alabama law that gave juveniles convicted of murder mandatory life sentences without the possibility of parole was unconstitutional.

In the majority opinion, Justice Elena Kagan wrote that the law violated the Eighth Amendment's ban on cruel and unusual punishment.

The AP reports:

A year and a half after Aaron Bell lost his contract to sell milk to H.P. Hood LLC from his 45 cow dairy operation in Edmunds, Maine, he found himself leaving a voicemail with his lease agent.

Update at 3:16 p.m. ET. An Attack On All Of NATO:

The tension between Turkey and Syria has heightened this afternoon. First Turkey said that Syria had fired at another one of its planes; this one was involved in a search rescue operation of the war plane shot down by Syria last week.

Mohammed Morsi, the Muslim Brotherhood candidate who became Egypt's president-elect yesterday, began consultations and moved into the office once held by the deposed Hosni Mubarak.

This was a historic weekend for Egypt: Many feared that the ruling military council would give the elections to Ahmed Shafiq, Mubarak's last prime minister. But that didn't happen and when Morsi was handed the victory, hundreds of thousands of Egyptians poured into the streets.

From Cairo, NPR's Grant Clark filed this report for our Newscast unit:

Update at 10:21 a.m. ET. Strikes Down Key Provisions Of Immigration Law:

The United States Supreme Court invalidated three of four challenged provisions of Arizona's controversial immigration law. Justice Anthony Kennedy wrote the majority opinion.

The high court upheld the part of the law that asked police to check the immigration status of those stopped for another violation.