I just did a search on her. One site said that she had hated President Bush ever since the 2000 and 2004 elections. It seems that she has always been a liberal dem.
I don't care what happened to you. You don't get to this level of irrational overnight.
This takes years and years of indoctrination.
This is not surprising and it is probably the reason that her family is in shambles instead of growing closer in their grief. Hopefully when she hits bottom she will seek mental help, and then maybe she will cherish the memory of her dear son, instead of trashing the cause that he gave his all for.