Richard Lugar actually said...

"Despite the unanimous vote in the Foreign Relations Committee, Senator Bill Frist, then the majority leader, declined to bring the Convention up in the Senate."

"THE U.S. NATIONAL SECURITY AND STRATEGIC IMPERATIVES FOR RATIFICATION"

"As seven CNOs wrote in a joint letter back in 1998, 'there are no downsides to this treaty--it contains expansive terms, which we use to maintain forward presence and preserve U.S. maritime superiorit..."

"In 2009 and 2010, though discussions occurred on Law of the Sea within the Obama administration, passing the Convention was not accorded a high priority."