A conservation group's boat had its bow sheared off and was in danger of sinking as it took on water Wednesday after it was struck by a Japanese whaling ship in the frigid waters of Antarctica, the group said. The boat's six crew members were safely transferred to another of the Sea Shepherd Conservation Society's vessels, the newly commissioned Bob Barker. The boat is named for the American game show host who donated $5 million to buy it. The clash was the most serious in the past several years, during which the Sea Shepherd has sent vessels into far-southern waters...