Proponents and critics of Keystone XL are unleashing a final flurry of pleas to persuade the government on the pipeline, which has become a flash point in a debate over energy development versus climate protection. The public has until the end of today to be part of the official review of whether Keystone is in the national interest. After that Secretary of State John Kerry will weigh in and President Barack Obama will decide whether to approve or scrap the long-delayed $5.4 billion plan by TransCanada Corp. to bring fuel from Alberta ’s oil sands to Gulf Coast refineries. Most of the more than 15,000 comments submitted through yesterday reiterate arguments made during five years of review. Proponents said Keystone would create jobs and boost U.S. energy security. Foes said the project would worsen climate change by promoting development of Alberta’s oil sands. “lets get-r-done NOW,” urged one commentator, […]