Two accounts of laws and time

Among the most important questions in the metaphysics of science are What are the natures of fundamental laws and chances? and What grounds the direction of time? My aim in this paper is to examine some connections between these questions, discuss two approaches to answering them and argue in favor of one. Along the way I will raise and comment on a number of issues concerning the relationship between physics and metaphysics and consequences for the subject matter and methodology of metaphysics.