Published: Apr 15, 2010 4:48 PM EDT

      President Barack Obama says the federal government is launching a sweeping review of mines across the
country with "troubling safety records" and will get inspectors onto those sites quickly.
      Speaking in the wake of a mine explosion in West Virginia that killed 29 men, Obama said "owners should be held accountable for decisions they made and for preventive measures they failed to make."
      The president said that when miners go to work, "they ought to know that behind them is a company that's doing what it should to protect them." He said "if a tragedy can be prevented, it must be prevented." Obama also said he's told federal mine safety officials to work closely with state counterparts to improve mine safety.