Four-legged gardeners will assist with weed mitigation this weekend on San Francisco's Twin Peaks hillside in preparation for Pride Weekend, according to public works officials. A herd of weed-eating goats will chomp their way through the unwieldy vegetation that overtakes the site of the annual Pink Triangle installation. The goats arrived on Thursday and are expected to work throughout the weekend. The 50-or-so goats take the place of machinery and herbicides, and will be supervised day and night by human goat herders, public works officials said. San Francisco city grazing manager Genevieve Church explained that the goats provide benefits beyond...