The new number is +-15 MeV including the LEP measurements. +-17 is just the Tevatron.

Yes it can be run at lower energies, and at first, it will have to until the accelerator experts get a feel for how well the magnets perform. In the long run there is no point to running it at lower energies-- i.e., why spend more money to build a machine that does the same thing as the Tevatron?

No, there's no guarantee a *Standard Model* Higgs Boson (which is what this search is) even exists. We know some mechanism exists for the symmetry that's broken between the Electromagnetic and Weak forces, but that doesn't necessarily have to be in the form of a standard model Higgs.

Its not a matter of "some thinking"-- the backgrounds that swamp a Higgs signal for a low mass Higgs are simply more prevalent at the energies of the LHC. The LHC makes up for that by being able to accumulate much more data than the Tevatron in a shorter amount of time. Of course, up to probably early next year, we at the Tevatron are in a superior position in that any data is greater than the zero the LHC will have accumulated.

1) I'm assuming the members of the court have either not played God of War, not read the Odyssey, or both
2) I find the idea of considering one brief scene of polygonal breasts to be the most damaging aspect of God of War with regards to children... shocking, quite frankly.