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The tension between Ukraine and Russia is rising in spite of a cease-fire agreement. CNN's Phil Black reports on the ongoing clashes.

Republican National Committee Chairman Reince Priebus spoke to Donald Trump about the direction of his campaign and his impact on down-ballot races. CNN's Dana Bash reports.

Caught on cam: People stealing Trump signs. CNN's Jeanne Moos reports Trump leads Hillary in having his signs stolen.

Protecting presidential candidates is business as usual for the Secret Service, but this year more passionate crowds bring new challenges to the job. CNN's Brian Todd reports.

Simone Biles wins the all-around gymnastics gold at the Rio Games as teammate Aly Raisman takes silver. CNN's Don Riddell reports.

An electrical fire engulfed a government hospital in Baghdad. CNN's Arwa Damon spoke to a couple whose newborn boy was killed in the horrific blaze.

Paraplegic people with spinal cord injuries spent a year training on brain-machine interfaces, which allowed them to use their own brain activity to simulate control of their legs, according to a small study.

Our political panel goes over the latest revelations about a top Clinton State Department aide's meeting on behalf of the Clinton Foundation.

CNN sits down with three-time All Around World Champion Simone Biles on the eve of the Rio 2016 Olympic games.

Democrats openly blame Russia for recent hacks and even call it an "electronic Watergate". CNN's Jim Sciutto reports.

Fifteen of the remaining doctors in war-ravaged Aleppo are pleading for help from President Obama. CNN's Clarissa Ward reports.

A CNN investigation found Cheryl Mills interviewed two people for a job at the Clinton Foundation while serving as Chief of Staff to Hillary Clinton at the State Department. Drew Griffin reports

Hillary Clinton attacks Trump's economic plan in speech of her own. CNN's Jeff Zeleny reports from Warren, Michigan.

Republican Congressman Peter King defended Donald Trump's claim that President Obama was the "founder" and "MVP" of ISIS as emphasizing the point that the Administration's policies created the terror group.

Donald Trump tripled and quadrupled down on his assertion that President Obama and Hillary Clinton literally founded ISIS.

Transit for London Chief Operating Officer Garrett Emmerson explains to CNN's Richard Quest why London's Uber drivers will have to learn English.

Hillary Clinton slammed Donald Trump's economic plans as nothing more than a huge tax break for himself, labeling tax cuts he proposed earlier this week as "the Trump loophole." CNN's Jeff Zeleny reports.

House Minority Leader Nancy Pelosi is openly blaming Russia for recent hacks on the Democratic National Committee. CNN's Jim Sciutto reports.

Donald Trump Economic Advisor Peter Navarro tells CNN's Richard Quest that "Under Trump's plan, everybody gets a tax cut."