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Bruno Araujo, the minister of cities, distanced himself from the scandal and resigned, while Roberto Freire, the minister of culture, also quit, citing "the political instability generated by facts that directly involve the presidency."

Braasch said the type of radar technology being developed by Echodyne, plus laser-based?sensors under development at Velodyne and many other companies, should solve the sense-and-avoid problem within the next few years.But uUntil then, drone deliveries in the United States are likely to be restricted to closely watched experiments like Project Wing’s burrito run.

Business associations and companies from South American countries like Brazil, Argentina, Colombia and Chile have been invited to take part in exchanges with Chinese companies.

Bud Day, a former cellmate and Medal of Honor recipient, said McCain's POW experience "took some great iron and turned him into steel."

Britain's car industry, which employs 814,000 people, illustrates the struggle the country faces as it prepares to exit the EU.