According to the Washington Post article, there are 59 detainees remaining at Gitmo, only 10 of whom have been charged with crimes to be decided by military tribunals. 5 of those are charged with offenses pertaining to 9/11. An additional 4 have been cleared by agency review (not Obama) for release and the remaining 26 are considered "forever prisoners", subject to indefinite detention, because the Obama Administration agrees they are too dangerous for release.
Trumps' choice for Homeland Security Chief, Retired Marine Gen. John F. Kelly, has long opposed closing Gitmo.
Obama could care less about Trump or Kelly's view.
WAPO continues:
Obama administration officials have noted that recidivism among those once held at Guantanamo is lower than among federal offenders in the United States and the prison is used as a recruitment tool by Islamic militant groups, including al-Qaeda and the Islamic State.
Most of those suspected of returning to the battlefield are from Afghanistan, reflecting the large number of people from there who were detained after the 9/11 attacks.
...The Obama administration has repatriated or resettled 179 prisoners, cutting the population from 242 when Bush left office. At its peak, the detention center housed more than 700 prisoners.
I hope the 19 cleared by Obama make it out in time.
As for Sessions, the NAACP held a protest sit-in today at his office in Mobile. It ended with arrests, including that of the NAACP President.
The most revolting sight at the federal detention facility and the U.S. Marshals' Service office at the federal courthouse beginning Jan. 21 will be the photos of Trump and Sessions on display in the reception room where we sign in to see our clients. The photos of Bush and Ashcroft made me gag, but the Vulgarian and the Munchkin may be worse.