Chiral random matrix models in QCD

We review some motivation behind the introduction of chiral random matrix m odels in QCD, with particular emphasis on the importance of the Gell-Mann-O akes-Renner (GOR) relation for these arguments. We show why the microscopic limit is universal in power counting, and present arguments for why the ma croscopic limit is generic for a class of problems that defy power counting , examples being the strong CP and U(1) problems. We also discuss some of o ur new results in light of recent lattice simulations.