Over at SCOTUSBlog, Tom Goldstein has posted a 7-minute podcast on how Supreme Court Justices decide which cases to accept for review. If you're interested in how the Supreme Court works, definitely check it out. Also, if you're really interested in how cert works, read Deciding to Decide, a wonderful book about the topic based in large part on interviews with 64 former clerks, 4 former SG's, and 5 Justices.