I have a great six-year old German Shepherd named Kota.  She is intelligent, obedient, and easily bored.  I can train her to do almost anything a few times.  She will fetch, roll over, play dead, spin around and do all sorts of dogie tricks—three or four times.  That’s it.  And unless you have some really good—and I mean really good—treat for her, she just won’t chase after that ball any more. Kota…