  An overarching scientific challenge for the coming decade is to discover the
meaning of confinement, its relationship to dynamical chiral symmetry breaking
(DCSB) - the origin of visible mass - and the connection between them. In
progressing toward meeting this challenge, significant progress has been made
using continuum methods in QCD. For example, a novel understanding of gluon and
quark confinement and its consequences has begun to emerge from quantum field
theory; a clear picture is being drawn of how hadron masses emerge dynamically
in a universe with light quarks; and ground-state hadron wave functions with a
direct connection to QCD are becoming available, which reveal that quark-quark
correlations are crucial in hadron structure. There is growing experimental
support for this body of predictions in both elastic and
nucleon-to-resonance-transition form factors.
