This file photo shows Australian billionaire and mining magnate, Clive Palmer, in Brisbane, in March. Palmer said Tuesday it was full steam ahead for his plan to build a 21st century version of the ... more 

This file photo shows Australian billionaire and mining magnate, Clive Palmer, in Brisbane, in March. Palmer said Tuesday it was full steam ahead for his plan to build a 21st century version of the Titanic, with 20,000 people expressing interest in the maiden voyage less