  Lecture given at ``Raychaudhuri session," ICGC-95 conference, Pune (India),
December 1995.
  Contents:
  I. Introduction
  II. (2+1)-Dimensional Initial Values in Stereographic Projection
  A. The single, non-rotating black hole
  B. Non-rotating multi-black-holes
  C. ``Black Hole" Universe Initial Values
  III. Time Development: Enter the Raychaudhuri Equation
  IV. Time Development in Stereographic Projection
  A. The BTZ black hole spacetime
  B. Multi-Black-Hole Spacetimes
  V. Black Holes with Angular Momentum
  VI. Analogous 3+1-Dimensional Black Holes
  VII. Conclusions
