In many states, brain dead is considered being dead. Therefore, I have no trouble with an abortion under such a circumstance.

Just as a side, even though Judaism does not allow abortion unless the fetus is not viable or unless the mother's health is in jeopardy, abortion is not considered murder. According to Torah, to cause a woman to have an abortion is penalized by a very large fine and not the death penalty, the latter of which could be imposed in the case of murder.

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"The further the spiritual evolution of mankind advances, the more certain it seems to me that the path to genuine religiosity does not lie through the fear of life, and the fear of death, and blind faith, but through striving after rational knowledge."-- Einstein