José Manuel Barroso urges donors to renew their financial and political commitments to Gavi, the Vaccine Alliance.

Nouriel Roubini predicts that the end will come within a year, and that the Middle East as a whole will benefit.

Christopher Marquis thinks the US Business Roundtable's April report should serve as a wake-up call to Democratic lawmakers.

Peter Singer examines the moral and strategic reasons for estimating the cost of human-caused greenhouse-gas emissions.