U.S. Senate Republican leader Bill Frist said on Tuesday that courts had acted fairly in the Terri Schiavo "right-to-die" case, differing sharply from a vow of retribution by his House of Representatives counterpart, Tom DeLay. "I believe we have a fair and independent judiciary today," said Frist, now trying to resolve a battle with Democrats over judicial nominations that threatens to tie his chamber into knots. "I respect that." Frist and DeLay, as the Senate and House majority leaders, had led a charge for emergency legislation calling on the federal courts to review the Schiavo case. President Bush flew back...