SeaWorld Entertainment, Inc. is launching new advertising to fight back criticism and spotlight the company’s care of killer whales. The effort, using print, TV and online communication, includes a new website called AskSeaWorld.com. The campaign features SeaWorld veterinarians, researchers and other members of the company’s team of 1,500 animal-care experts. The ads, appearing in major dailies, will also highlight initiatives such as a $10 million donation to study endangered killer whales in the wild. TV ads break in April.