Canadian Press by Mike Blanchfield.  It's high time Canada started looking beyond the Obama era if it wants to push economic integration with the United States to a new level, says former Conservative cabinet minister Jim Prentice (NGP Photo).    ...   New gas discoveries in both countries have transformed North America's economic landscape, said Prentice, who urged the federal government to set its sights on 2017 when Barack Obama's successor arrives in the White House. Commentary.  "Tis the season!"  Yes, a legislative session in an election year tells us it's [...]