USA US considers new travel ban that affects 7 African countries African countries including Chad, Burkina Faso, Djibouti, Eritrea, Liberia, Somalia, and South Sudan, have the highest rates of overstaying temporary ...
02:30 USA Self-driving cars far from dominating roads-Uber scientist The progress of Uber's self-driving car unit has hit the spotlight as the company prepares to go public later this year.
