Brazil sues BHP, Vale for 'initial' $5 billion over spill

[caption id="attachment_839707" align="aligncenter" width="600"] Screenshot from PigMine 7, via YouTube[/caption] Brazil's federal government and two states are suing Samarco, an iron ore miner jointly owned by BHP Billiton and Vale, for $5.3 billion over a catastrophic tailings dam burst that...