Cardoza said the latest maneuver amounts to “highlighting a waffle.”
“They don’t build statues to wafflers,” he said.
Sen. Mark Begich praised Obama, however, for embracing at least the southern half of the pipeline.
“The more the merrier,” the Alaska Democrat said.
Environmental groups that had cheered Obama’s decision to block the pipeline in January reacted with alarm.
National Wildlife Federation President and CEO Larry Schweiger said the president had taken a “dangerous wrong turn on energy.”
“Rushing pipelines and drill rigs for rich oil executives will only delay the investments we need in renewable energy and create long-lasting damage to our waters and lands,” he said in a statement.
The National Resources Defense Council warned the Cushing-to-Texas pipeline would accelerate global warming.
“It is downright foolhardy to cut corners on safety reviews for permitting the southern segment of the Keystone XL pipeline — that will carry costly and dirty tar sands from Canada,” said Susan Casey-Lefkowitz, the NRDC’s international program director.