Sarah, The short answer is that, yes, you can substitute butter for shortening in cookies. It will, however, change the texture and appearance of the end product. Because shortening is 100% fat and butter is roughly 85% fat and 15% water, cookies with butter in them tend to spread more during baking.
Usage: Yang is a popular first name. It is more often used as a boy (male) name. People having the name Yang are in general originating from China, France, South Korea, United States of America.
Yang Xiuqing, also known as the East King, was a fellow Taiping leader who had directed successful military campaigns and who often claimed to speak with the voice of God. Hong became increasingly suspicious of Yang's ambitions and his network of spies. In 1856, he had Yang and his family murdered.