LAS VEGAS – Patricia Mulroy, who oversaw the Southern Nevada Water Authority’s development during the region’s greatest period of growth, will be named Senior Fellow for Climate Adaptation and Environmental Policy at UNLV’s Brookings Mountain West.

Whenever you buy a drink or pay the check at a restaurant, you face that awkward choice. What do you tip? Leave a dollar in the tip jar? Or do just add a flat 20 percent? Or should you make it 15 percent to express your displeasure with the slow service or food that wasn't really hot enough?

Africa has enjoyed great rates of economic growth in recent decades. But it still has high rates of corruption and troubled areas of war and poverty. What will it take to make the continent more sustainable? And more able to provide and raise a living for the booming population? John Page says it can no longer rely on selling resources. So what's his plan? What should Africa do?