Globe and Mail: After a domestic drubbing at home, where disenchanted voters made clear they had heard enough of his clarion call for "hope and change," U.S. President Barack Obama scored a rare foreign-policy triumph in the sweeping deal with China to slash greenhouse gas emissions.
The pact may prove historic.
It signals the world's sole superpower regards China as a key partner in global leadership rather than just one among several great powers.
It provides the platform for Mr. Obama to carve out a...