Water taxi captain Brad Hosemans, and Shannon O'Brien, general manager of Sydney Harbour Kayaks, talk with Bloomberg's Brent O'Brien in Sydney about the safety of Sydney Harbour, and the need for tighter regulations to prevent accidents. A boat crash between a fishing trawler and an overloaded cruiser claimed six lives last week in the harbor. In March 2007, four people were killed in a ferry collision under the iconic Harbour Bridge. (Source: Bloomberg)