Sea World's killer whale collection needs constant replenishing. The average life span of the animals in captivity is less than half the average for killer whales in the ocean.

Every journalist loves a peaceful protest -whether it makes news, shakes up a political season, or holds out the possibility of altering history.

The guardians of your company's cyber security should be encouraged to network within the industry to swap information on the latest hacker tricks and most effective defenses.

Great leaders don't rush to blame. They instinctively look for solutions.

The pact creating a North American free-trade zone was President Bill Clinton's signature accomplishment; but NAFTA is also the bugaboo of union leaders, grassroots activists and Midwesterners who blame free trade for the factory closings they see in their hometowns.

Ralph Reed is deeply ambitious and always was so. There was a time when he... in one of my interviews, he said he pondered running the Ross Perot campaign, and he wasn't sure he wanted to do the Christian Right thing; he was worried that it boxed him into a corner.

It's true that many of the leaders who started at non-elite colleges as undergrads later attended prominent graduate schools in law, business, medicine, and so on. But the point is that they found their own way there - as young men and women in their early 20s, not teenagers pressed into action by parents and peers.

It's become glib political conventional wisdom in Washington that a massive spending plan will provide a parachute rescue for a cliff-diving economy - landing it safely and with strong enough legs to move toward a healthy future.

The centerpiece of Obamanomics - raising taxes on high earners and investors and lowering them on the middle class - is attacked by free-marketers for penalizing economic success and possibly further stalling economic growth.

Unless engineers can stop southern Louisiana from sinking into the Gulf - the Mississippi Delta is the fastest-disappearing land on the planet - even post-Katrina's modernized levees will be overwhelmed.

Globalization is stirring widespread economic anxiety, and middle class incomes have stagnated while a class of super-rich has emerged.

Reality shows serve up juicy drama out of human shortcomings.

I think the danger with the liberal Left is seeing the Republican Party as a monolith.

Adoption should be an empowering option for young women in crisis, knowing that the people around them - family, friends, church - will respect their choice.

I've been awed by the incredible opportunities that automatically float to the Harvard undergrads I once taught - from building homes for the poor in Nicaragua to landing prime White House internships.

If you want to know how Hillary Clinton could try to distance herself from President Obama's much-criticized foreign policy, listen closely to the words of her former top strategist, Anne-Marie Slaughter.