Donald Trump signals a shift in his stance on immigration. After another batch of emails, The Clinton Foundation says it will make changes if Hillary Clinton becomes president. And outrage over the skyrocketing cost of the EpiPen. A panel of journalists joins guest host Derek McGinty for analysis of the week's top national news stories.

Russia launches airstrikes against the Islamic State from Iran. Ukraine investigates Donald Trump's campaign chairman for ties to a pro-Russia party. And the U.N. acknowledges playing a role in Haiti's cholera outbreak. A panel of journalists joins Diane for analysis of the week's top international news stories.

The Friday News Roundup: Donald Trump shakes up his staff after another campaign controversy. Major health insurer Aetna is the latest to pull back from Obamacare. And a group calling itself the shadow brokers say they hacked the NSA. A panel of journalists joins Diane for analysis of the week's top national news stories.

The UN says fighting in Aleppo, Syria, leaves 2 million residents without water. A suicide bomber in Pakistan targets lawyers, killing more than 70 people. And 50 Republican national security experts say Donald Trump puts the U.S. at risk. A panel of journalists joins guest host Susan Page for analysis of the week's top international news stories.

Donald Trump and Hillary Clinton give dueling economic speeches in Michigan. A Justice Department report finds systemic racial bias in the Baltimore police department. And new voter ID rulings in Wisconsin and Texas. A panel of journalists joins guest host Susan Page for analysis of the week's top national news stories.

The Obama administration defends a $400 million payment to Iran. The U.S. launches airstrikes on Islamic State targets in Libya. And the Summer Olympics begin in Brazil. A panel of journalists joins Diane for analysis of the week's top international news stories.

More Republicans question whether to support Donald Trump for president. The FBI continues to investigate a hack of Democratic National Committee emails. And the latest on a Zika outbreak in Miami. A panel of journalists joins Diane for analysis of the week's top national news stories.

American officials say they believe Russia was behind the hacking of Democratic National Committee emails. The U.N. expresses caution about a Russian plan to allow civilians and unarmed rebels to leave Aleppo, Syria. And Turkey ramps up a crackdown on the media and military. A panel of journalists joins guest host Indira Lakshmanan for analysis of the week's top international news stories.

Hillary Clinton becomes the first woman to accept a major party nomination for president. National security experts blast Donald Trump for urging Russia to hack Clinton's emails. And charges are dropped against the remaining officers in the Freddie Gray case. A panel of journalists joins guest host Indira Lakshmanan for analysis of the week's top national news stories.

Turkey declares a state of emergency and arrests thousands after a failed coup. Donald Trump suggests he'd put conditions on protecting NATO allies. And Russia loses an appeal in a sports doping case. A panel of journalists joins guest host Frank Sesno for analysis of the week's top international news stories.