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Billionaires such as Gates and Buffett worry about severe wealth inequality

Born into a family where his father was a school superintendent and his mother a librarian, Hanson considered himself "maybe (an) upper middle class" person. He said people in Dallas County and Iowa as a whole "want their services delivered close to where they live."

Boarding schools in Beijing will be banned from selling soda drinks in cafeterias and stores inside campuses this year, part of an effort to encourage students to eat healthy food, the city's health authority said.

Both digital assistants will be able to do things like give directions, control music, check calendars and more.

Bilateral foreign direct investment flow between the world's two largest economies may be lower in 2017 compared to last year, when two-way FDI reached a record high of billion, according to a report released in Washington on Wednesday.