Every article (and just about every interwebs comment) I've read on corporate taxes outside of the Economist and accounting trade mags demonstrate a complete lack of any understanding of corporation tax and accounting.
Cutter, negative tax charge indicates a loss made. If you made a loss, you could recover it against the previous or next year's taxable income too.
Same with bonus performance pay plans, there's a solid vein of truth about exorbitant total remuneration of executives but the articles wrap it up in a load of complete BS. Here for example that $400m is effectively over a 10 year period. $40m is your vein of truth, $360m is the BS wrapping.