Prospects of calculating ${ϵ}_K$ and ${ϵ}^{\prime }$ from lattice QCD

Abstract

An overview of lattice results for the strange quark mass, $B_K$, $B_6$, $B_7$, and $B_8$ is presented. I give my assessment of the reliability of various estimates and prospects for future improvements.

Comments: 8 pages, latex. Contribution to KAON 99, Chicago, June 1999