The manufacturing summit that will be held in Dalton Thursday has attracted not only some of the nation’s top business leaders but some of the top political leaders from Georgia and Tennessee. . . .T. Boone Pickens, a Texas billionaire known for his expertise on energy affairs, will discuss the state of manufacturing in the United States. . . .Education will have a prominent place on the summit’s agenda as well. Georgia Tech President Bud Peterson will discuss the importance of education in manufacturing.