1. If you don’t know, you are invited to consult someone else’s lectures.
2. S. Brodsky, these proceedings.
3. An introduction to this method can be found in J. C. Taylor, “Gauge Theories of the Weak Interactions,” Cambridge University Press, 1976.
4. Actually an exception to this might be the pion in the limit of massless u and d quarks. In that circumstance pions are believed to be massless Goldstone bosons. However, none of that appears to have much connection with the phenomenon of QCD confinement.
5. A recent review is given by S. Weinberg, I. I. Rabi Festschrift, to be published by the New York Academy of Sciences.