After the Napoleonic Wars, Prussian general Carl von Clausewitz wrote his seminal treatise, On War. Published in 1832, On War was not immediately recognized as the authoritative work it is today. SNIP I do not know if President Trump has ever read Clausewitz or heard of “center of gravity,” but he seems to instinctively understand the criticality of economy. He has pledged to bring the budget in line, create a better environment for business, and ensure America’s access to inexpensive energy. In this, he faces a Herculean task. The Democrats will fight savagely to stop him from achieving these goals....