Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
In an essay in Vanity Fair magazine, Monica Lewinsky breaks her silence about her affair with President Bill Clinton that rocked the country. CNN's Tom Foreman reports.
Scorching heat and stronger hurricanes, floods and fires, torrential downpours and droughts: The White House is warning in a brand new report that the effects of climate change are here and only getting worse. CNN's Brian Todd investigates the report.
Government forces in Ukraine step up to rally against pro-Russian forces, leading to at least 30 dead militants and fresh warnings of an all-out civil war. CNN's Jim Sciutto reports.
CNN's Barbara Starr looks at rising extremist groups, especially al Qaeda affiliates and Nigeria-based Boko Haram, that are taking over regions of Africa.