Donal Logue

It only took 2 years, but it looks like FX's 'Terriers' is finally getting the reunion it deserved (sort of).  On the heels of 'Sons of Anarchy's' big casting announcement yesterday that rocker Dave Navarro would guest on the final episodes of the current season, we've now learned that Donal Logue will appear in the back episodes as well.  But who could the former 'Terriers' star be playing, and w