WASHINGTON — A pair of anti-tax groups on Thursday accused Republican Senate candidate Carly Fiorina of deceptively implying their endorsement in a campaign mailer sent to voters this week. The mailer primarily touts the endorsement Fiorina received recently from former Alaska Gov. Sarah Palin. But the piece also includes a section with the header "Conservative Leaders Speak Out," using the names and logos of the Howard Jarvis Taxpayers Association and the National Tax Limitation Committee, along with quotes criticizing one of her rivals for the GOP nomination, former Congressman Tom Campbell. Though the mailer does not claim an endorsement of...