Steelmakers throughout Asia cringed earlier this week when they heard the news that Aussie mining giant Rio Tinto PLC (ADR: pBut getting Rio out of the way was only half the battle, because now steelmakers are forced to confront BHP Billiton Ltd. (ADR: a href="http://finance.google.com/finance?q=bhp&hl=en" onclick="s_objectID=" finance?q="bhp&hl=en_1";return">BHP) and its chief executive,