Sen. Whitehouse visits troops in Afghanistan on July Fourth

Sen. John McCain, an Arizona Republican, led a group of senators to Pakistan and Afghanistan for the holiday weekend. They visited a military base in South Waziristan and met with Pakistani leaders in Islamabad before traveling to Kabul, Afghanistan.

Little precedent for $400M cash to Iran

In this Jan. 17, 2016 file photo, President Barack Obama speaks about the release of Americans by Iran, in the Cabinet Room of the White House in Washington. A $400 million cash delivery to Iran to repay a decades-old arbitration claim may be unprecedented in recent U.S. history, according to legal experts and diplomatic historians, raising further questions about a payment timed to help free four American prisoners in Iran.