Are unions impeding oil cleanup efforts in the Gulf of Mexico?

The Daily Caller reports:

President Obama is impeding clean-up efforts in the Gulf by kowtowing to unions and members of the American maritime industry, critics have charged in recent days. At issue is the president’s refusal to waive the Jones Act, a century-old law that effectively bars foreign-owned ships from moving between U.S. ports, a necessary component of participating in the cleanup effort.

Great moments in the union history.