WASHINGTON - Environmental groups hailed President Barack Obama's warning about climate change, but said the president's words will soon be tested as ...

Like Lady Edith of the hit series Downtown Abbey, Prime Minister Harper must feel frustrated that Obama expects him to stand aside while the U.S. courts China and simultaneously wait around for a decision on Keystone. Worse still, there is the fear that Chinese interest in Canada is only a ploy, Beijing using Ottawa to spark Obama's jealousy and get Washington's attention.

Opposition groups can organize and protest much more quickly on social media. While a government argues facts, figures, and economic benefits, groups argue on an emotional level. In political terms we used to refer to this as appealing to the head or heart, with the heart usually winning.

Republicans ratcheted up the pressure on U.S. president Barack Obama on Wednesday by introducing a bill that would force him to OK the Ke...