InsideClimate: President Obama hasn't publicly drawn a connection between climate change and the Keystone XL pipeline, but new pressure is building on him and other officials to connect those dots. Protests are springing up from Maine to Washington, D.C. to Oklahoma urging leaders to stop the Keystone XL and other oil sands import projects on climate change grounds. The Texas-bound Keystone XL is the biggest of many projects being proposed to connect Canada's oil sands to U.S. refineries and export ports. Protesters...