Former BP boss is Glencore Xstrata’s new chairman

[caption id="attachment_781765" align="aligncenter" width="600"] Tony Hayward, then BP CEO, testifies before the House Energy and Commerce Committee after the spill, in 2010.    (Image by Talk Radio News Service via Flickr)[/caption] Commodities trading and mining company Glencore Xstrata (LON:GLEN) announced...