obama announces end to 'wet foot, dry foot' ........Why now?

Obama just days before he leaves office, he quietly ends the "wet foot, dry foot" policy, why NOW??

Is it payback for the election?

Is it a concession to dictator Castro?

Will Obama stick a machete in our back again and pardon Ana Belen at the last minute?

Will Obama end the policy of open arms and entrance for Muslims and end the wet foot, or dry depends on where you cross/dry foot at the Mexican border?