But that would help Barack Obama, embitter a mainstream party on which he has at last made a big impact and damage his like-minded ophthalmologist son, Rand, now a Republican senator.
"These are very high-force, high-impact injuries so they cause a lot of damage to tissue and to bone, " said Ron Walls, chairman of the department of emergency medicine at Brigham and Women's Hospital.
The forestry department ordered pre-production to stop in November for an environmental impact study, but ruled last month any damage would be repairable.