Republicans in the Senate formally align forces to push back Obama administration plans to sign and seek ratification of the United Nations' Law of the Sea Treaty (LOST).
Peach Pundit reports Isakson is still planning a no vote.
So why not link up with the organised opposition and your party's leadership, Johnny?
Those seeking a stronger commitment from Isakson may have good reason.
Isakson has broken with Republican opposition before. Isakson was among 11 Republicans who voted for the Obama administration's New START treaty with Russia in December 2010.