Environmental Protection Agency chief Scott Pruitt says the agency will move to regulate as "hazardous" a type of harmful chemical found in the drinking water of millions of Americans, calling it a "national priority.

President Donald Trump appeared to raise doubts Tuesday that his upcoming historic summit with North Korean leader Kim Jong Un will take place as previously planned on June 12.

Interested in North Korea?Add North Korea as an interest to stay up to date on the latest North Korea news, video, and analysis from ABC News.

As the nation watched Friday's high school shooting unfold in Texas – the sixth since the attack in Parkland, Fla. – Lucy McBath was on the campaign trail in Georgia.

As the nation watched Friday's high school shooting unfold in Texas – the sixth since the attack in Parkland, Fla. – Lucy McBath was on the campaign trail in Georgia.

The Associated PressIn this April 13, 2018, photo Josephine Rizo sits in her home with her stack of bills from her ongoing battle with cancer in Phoenix. As treatment costs soar and insurance coverage shrinks, hospitals and patient advocates around the U.S.

Key takeaways from John McCain's new book

Tuesday, 22 May 2018 07:03 Written by

Sen. John McCain is nothing if not outspoken.

And the Arizona Republican is true to his reputation in his new book, "The Restless Wave: Good times, Just Causes, Great Fights, and Other Appreciations," in which he provides insights into his historic 2008 presidential race against Barack Obama, his thoughts on Donald Trump's presidency, and his hopes for a return to "regular order" in American politics.