Jing was greatly displeased. Prince Wu, in order to show contrition to regain his brother's favor, thought of a plan and carried it out. On his next official visit to the capital, when he got to the Hangu Pass, he eluded his train as well as the imperial train that had been sent to welcome him, and instead took a side road to Chang'an, to the house of his sister Liu Piao. (When the imperial train could not locate Prince Wu, both Emperor Jing and Empress Dowager Dou was greatly distressed, and she accused him of killing Prince Wu.) Prince Wu then appeared before the imperial palace, half-naked, and bearing a cutting board on his back, in a manner of a criminal ready to be slaughtered. Both Emperor Jing and Empress Dowager Dou was greatly touched, and Emperor Jing pardoned him on the spot. However, he would no longer consider him a potential heir. When Prince Wu died in 144 BC, Empress Dowager Dou greatly mourned him, and could not be consoled easily until Emperor Jing created all five of Prince Wu's sons princes themselves. When Empress Dowager Dou's grandson Liu Rong, the Prince of Linjiang (and former crown prince), was imprisoned in 148 BC for intruding onto the grounds of Emperor Wen's temple when building walls to his palace, it is unknown whether Empress Dowager Dou tried to intercede on his behalf. However, after he was ultimately forced to commit suicide, she was greatly saddened, and she eventually ordered, against Emperor Jing's wishes, that the official who forced Prince Rong to commit suicide, Zhi Du (郅都), be executed on a minor offence. As grand empress dowager When Emperor Jing died in 141 BC, Empress Dowager Dou became grand empress dowager over his son and her grandson, Emperor Wu. Grand Empress Dowager Dou, the more actively involved in politics, did not let this young emperor decide for himself one day. She forced the Emperor to ask her questions before making a political decision. Early in his reign, in 140 BC, he would make Confucianism the official state ideology, replacing Taoism. Grand Empress Dowager Dou would try to resist this, however, as she despised Confucians. In 139 BC, when in response, Confucian officials Zhao Wan (趙綰) and Wang Zang (王臧) advised the emperor to no longer consult the grand empress dowager and commenting that "There is no need to wait for