For surprisingly, the London-dwelling steel raja's most formidable opponent may not be the French government, but the fiercely competitive Arcelor Chief Executive GuyDolle .
Arcelor Chief Executive GuyDolle , who says he is still awaiting a concrete offer from billionaire steel raja Lakshmi Mittal, has refused to comment on attempts by the Luxembourg Chamber of Commerce to tighten takeover laws there to stymie the bid by Netherlands-based Mittal Steel.