The Brexit hardliner replaces Theresa May and is tasked with fulfilling his promise to lead the U.K. out of the European Union "come what may."
2. HOW CONGRESS VIEWS BUDGET DEAL
Republicans point to the $1.37 trillion agreement's call for large increases in military spending while Democrats say the deal protects spending on domestic programs. 3. WHAT FBI DIRECTOR'S TESTIMONY COULD PORTEND
Christopher Wray's hearing before a Senate committee could be something of a preview of the intense questioning special counsel Robert Mueller is likely to face the next day. 4. 'WE'RE FED UP'
Puerto Ricans remain unsatisfied with Ricardo Rosselló's apology for an offensive, obscenity-laden online chat and vow to keep protesting until he leaves office.
5. VENEZUELANS IN THE DARK AGAIN
Reviving fears of the blackouts that plunged the country into chaos a few months ago, the government again accuses opponents of sabotaging the nation's hydroelectric power system. 6. US SANCTIONS SQUEEZE IRAN'S MIDDLE CLASS
Iranians have been hard hit by the collapse of the national currency, accelerating inflation and eroding wages — up-ending the vital housing market. 7. HUNDREDS OF BLACK DEATHS IN 'RED SUMMER' IGNORED CENTURY LATER
From Arkansas to Maryland, and Washington to Chicago, the summer of 1919 saw hundreds of African Americans beat, lynched, shot and fatally burned around the country. 8. POPE FRANCIS NAMES NEW LEADER OF WEST VIRGINIA DIOCESE
Baltimore Auxiliary Bishop Mark Brennan takes over following a scandal over the former bishop's sexual harassment of adults and lavish spending of church money. 9. MORE WOMEN BEING NOMINATED TO MILITARY ACADEMIES
But an analysis finds men are still put forward by members of Congress for admission to U.S. service academies nearly three times as often. 10. OHIO SCHOOL MAKES ESPORTS HISTORY A private school near Cleveland becomes the first U.S. all-girls school to launch a varsity esports program.