[quote]I'd like to know what everybody else chose for the questlines in the capitol. What did you do to Bob? Kill him? Accelerate the growth? absolutely nothing? What about the super heroes in canterbury commons? [/quote]

The following choices are based (mostly) on the assumption that the Lone Wanderer made basically moral choices, but with the caveat that they were assisted by a high Intelligence stat plus high scores in both Science and Medicine. Accompanying are the actions of one of my more-played characters.

The common argument regarding the Pitt is that supporting Ashur is the logical choice in order to uphold the stability of the city. If Werher succeeds, there are no more workers making tools, building materials and ammunition, and while the cure is still sort of being researched the baby is being kept in a rat hole and studied by someone who MAYBE has 25 points in either Science or Medicine, but not both (as opposed to being studied in a modest if sufficiently equipped lab by a trained professional). The floodlights that Wernher makes a big deal about turning on to keep out the Trogs are entirely tertiary concerns, since the Pitt also has to deal with Wildmen, other Raiders, and more Slavers if Wernher's revolt works out.
[hider=WHAT I ACTUALLY DID]I supported Ashur because my character was already a slaver. Anybody with their head screwed on correctly would recognize Ashur could be easily assassinated/killed and replaced as long as the child is accounted for. The future of the Pitt is yours to decide.[/hider]

Accelerating the growth would be tempting if one aims to restore the Wasteland. However, personally, the whole thing reminded me just a bit too much of Vault 22 and the Spore Carriers found at Big Mountain and Zion. Also remember that the damn tree has been influenced by FEV, and I trust that about as far as you can get trying to approach the door to Vault 82 without dying horribly. Assuming that our Lone Wanderer has sufficient Science and Medicine tagged, they would likely recognize both the danger of the FEV and any mutations present in the plants. The only 'moral' choice at that point is to burn Oasis to the ground. If you're feeling nice, stop Bob's heart before setting him on fire.
[hider=WHAT I ACTUALLY DID]My character just plain didn't like those hippies' attitude. Oasis was toast before they even realized Bob existed.[/hider]

I like to imagine the Lone Wander took one good look between the AntAgonizer and the Mechanist during their verbal exchange on the street, rolled their eyes, and then blew both of them away with the Blackhawk.

Kill all the slavers in the Lincoln Memorial and assist the slaves with the restoration. One could make the argument that Old World influences are a bad thing due to how it makes people think (a common theme throughout all the Fallout games), but it's the Lincoln Memorial. Relatively speaking, that's more ancient world. There's no advanced technology on the spot either, so no harm to be done.
[hider=WHAT I ACTUALLY DID]I took the guards' warning as a challenge, leading to a spiraling escalation of events leading to everyone in the memorial being deaded. Unfortunately, the exact same thing happened with the slaves. What goes around comes around in an L shape, it seems.[/hider]

Do not kill the Slavers of Paradise Falls. Aside from Megaton and Rivet City, Paradise Falls is the only stable 'city' in the Capital Wasteland. Same general reasoning as supporting Ashur, really. Distasteful, but necessary for the purposes of regional stability. One good thing about Paradise Falls is that they have a monopoly on the slave trade - all human traffic goes through them. Better the devil you know.

Destroy the vial of FEV you get from Eden as soon as is feasible once you leave Raven Rock.
[hider=WHAT I ACTUALLY DID]Totally went along with that. The number of Pure Humans left in the entire world cannot exceed a few thousand, and that would be scattered across several Vaults and Enclave facilities. The number of humans needed to ensure long term genetic viability is around five hundred. So the purifier being affected by FEV would do absolutely nothing but kill people and destabilize civilization across the entire Capital Wasteland, which was amusing, and there is no chance of 'Pure Humans' coming along and rebuilding society.[/hider]

Don't blow up Megaton, obviously.
[hider=WHAT I ACTUALLY DID]Guess what.[/hider]

Talk Tenpenny into allowing Ghouls to stay in the tower. The Humans and Ghouls live together successfully enough at first, and there's enough positive thinking on both sides to make it seem outwardly viable even before WHOOPS Roy goes and murders all the humans.
[hider=WHAT I ACTUALLY DID]Led the raid on the tower by the Ghouls, and then killed everyone afterwards before filling the whole place with mines. That will teach their corpses a lesson in complacency.[/hider]