Workers in the energy sector face two paths: The oil industry offers big salaries but more volatility, while clean energy pays less but provides more stability and a sense of mission.

The protests began about two weeks ago demanding an end to police brutality. Now, as one activist said, "it has become so many things for so many Nigerians." The government declared a 24-hour curfew.

After 2016, nothing will make Democrats feel secure in the final weeks of a presidential election. For Joe Biden's campaign, which doesn't want voters to be complacent, the anxiety is OK.

Cybersecurity experts say the origin of the messages remains unknown and may be the product of a foreign disinformation effort.