Can Trump—or Anyone—Bring Back American Manufacturing? 
	
	
	
	
		
			Dec 6, 2016
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			By Knowledge@Wharton.com
	
	
	
	Experts say no. But the real question is, does a manufacturing sector that contributes about one third of national GDP—producing twice as much as it did 40 years ago with one-third fewer workers—really need to be saved?