He is also thought to bedispleasedwith Mr Santos's choice of Juan Camilo Restrepo, a critic of many of his own policies, as agriculture minister, and with his successor's plans to undo his merging of several ministries.
The third reason why it's not all over yet, and maybe most important for the coming year - American troops may be out of Iraq and Osama Bin Laden may be dead, but his restive ghost may not be altogether displeasedwith what has unfolded.
Conservatives, already unhappy with tax increases, are likely to be further displeased that the Senate agreement fails to actually deal with spending something Minority Leader Mitch McConnell acknowledged yesterday when asking GOP Senators to vote for the bill despite its failure to address spending cuts, noting that the tax portion of the fiscal cliff was the most important component of the deal.