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The challenge of strong-QCD is to discover the connections between the basic theory of strong nuclear forces known as Quantum ChromoDynamics, which accurately describes the interactions between quarks and gluons at small distances, and the phenomena of strong interactions at larger distance scales, like the radius of the proton or the pion. The exact way that QCD works itself out in the spectrum and decays of physical states at the hadronic scale is an active area of current theoretical research. In experiments at Jefferson Lab and elsewhere we are working to test these theoretical ideas and hope to point the way toward a solution to the general problem of strongly interacting fields.