Page 4 of 4 Previous  Continued: Dave Mustaine makes peace  He's
still the leader of one of the hardest, most revered thrash-
metal bands of all time, but Dave Mustaine has otherwise turned
into quite a softie. That was pretty clear Monday as the
Megadeth frontman avoided controversy and stuck to the positive
in a phone interview from Connecticut. Not only was he
performing that night with fellow thrash vets Slayer and
Testament (a tour coming Saturday to Roy Wilkins Auditorium),
but he also had just finished a book-signing gig (he's doing one
here Saturday at Borders in Rosedale).  "Mustaine: a Heavy Metal
Memoir" debuted at No. 15 on the New York Times bestseller list
last week. In it, the 48-year-old native Californian discusses
his much-ballyhooed firing from a pre-fame Metallica, his
struggles with sobriety, his recovery from a nerve injury that
threatened his guitar-playing abilities and his prodigal-son
conversion to Christianity. Not discussed in the book are his
recent reunion with Megadeth bassist/co