Head of State

 is a Fallout 3 quest. It is also an Xbox 360 and PC achievement.

Objectives and walkthrough
The quest is given to you in Temple of the Union by Hannibal Hamlin, who wants to relocate his slave haven to the Lincoln Memorial and restore it as a sign of freedom.

Hannibal directs you to travel to the Lincoln Memorial and see if it is still occupied by Super Mutants. He also asks you to talk with fellow slave Caleb Smith. Smith is a mason and will ask you to obtain a picture of Lincoln Memorial in the Museum of American History so he will have reference materials that will help him repair it.

Lincoln Memorial is free of mutants, but occupied with slave hunters from Paradise Falls led by Leroy Walker. In talking with Leroy, the player is given the option to reveal the slave hideout in Temple of the Union.

The quest can also be started by speaking to Leroy Walker in the Lincoln Memorial Maintenance area without speaking to Hannibal. The player will be asked to retrieve artifacts related to Lincoln in the History Museum. However, Leroy may go onto the restricted part of the memorial thereby preventing you from selling the artifacts to him because the slavers will turn hostile, including Leroy.

If the player reports back to Hannibal that there are no mutants, he will gather up his group and head for the memorial. He tells you to wait an hour and they will be ready. (If you fast travel to the memorial without waiting an hour, the group will not arrive until you fast travel back and trigger their departure.) If your strength is high enough you have an option to warn about the slavers, at which point Hannibal tells you to take care of them by any means.

Once the slaves arrive, they will ask for your help killing the slave hunters. If the player does not tell Hannibal to wait while you check it out (giving you time to go kill the slave hunters), then Hannibal will lead his group into battle. He is usually killed, which terminates the quest. However, if you "investigate" and kill the slave hunters, or have already done so, there will be no one to kill Hannibal when he leads the charge and the player can complete the quest.

FIX: If you kill the slavers first, Hannibal and his men will not be there. This bug can be dealt with by entering the nearby metro, waiting for a while (say, 24 hours using the "wait" option) then coming out. They'll be waiting there for you. It seems the bug is somehow related to how you "enter" the area. Fast traveling doesn't work and nor does waiting in the same area as the meeting point (they'll appear but walk straight past you).

This quest also add an extra video sequence during the end video.