Contributions from Carin Zissis
Health organizations and governments are on the move to control and find answers about a swine flu epidemic originating in Mexico.
For all the talk about Cuba and Venezuela, leaders moved forward on other fronts as well during the weekend's Summit of the Americas. On the sidelines, U.S. President Barack Obama signaled action on a trade pact with Colombia and a hemispheric clean-energy partnership.
Thirty-four leaders come together this weekend in Port of Prince for the Summit of the Americas, when U.S. President Obama makes his debut on the hemispheric stage. Prosperity, energy, and climate change are on the agenda, but subplots have developed.