Tammi Mendendez has revealed her complicated feelings surrounding the L.A. County district attorney’s bombshell decision about Erik and Lyle Menendez’s prison sentence. “Yesterday was a difficult and emotional day,” she wrote via X on October 25. “I am Grateful to DA [George] Gascón, for his courage to seek resentencing for Erik, I am naturally disappointed he did not go further and act on his own belief that Erik and Lyle have served enough time in prison.” In 1996, the brothers were found guilty of the 1989 double murder of their parents, Jose and Kitty. They were later ordered to serve life…