THE BEST WAY TO BECOME A ROCK STAR IS SOMETIMES THE WORST WAY TO BECOME A ROCK STAR Unruly and antagonistic, the Washington State rock trio Modest Mouse would seem like one of the least likely candidates for mainstream stardom: Their often brilliant live performances sometimes collapsed into utter chaos. Their highly original, highly off-center songs ran as long as eleven minutes. And their leader managed to raise eyebrows among music writers, law...