CROCODILE hunter Steve Irwin is reportedly under Federal Government investigation for a possible criminal breach of wildlife laws after allegedly clowning with whales and penguins while filming in Antarctica. The Sydney Morning Herald said the Australian Antarctic Division has demanded an urgent copy of a documentary, due to be screened on Friday in the US, based on descriptions of its contents. The blurb for the hour-long Ice Breaker program on the Animal Planet channel says Irwin "slides down hillsides with penguins; almost rubs noses with the notoriously dangerous leopard seal; and spends time in the inspirational company of two friendly...