Earlier this month Guido reported that HS2 Ltd had given half-a-billion pounds worth of taxpayer-funded contracts to CH2M, a US engineering firm that just happened to be the former company of the HS2 CEO. Well, now a rival construction business which lost out on the contract is threatening to sue HS2 Ltd over this alleged conflict of interest. Mace say they are “looking closely at our options”. Their case: CH2M was awarded the latest £170 million contract during the tenure of HS2 CEO Roy Hill, a former employee of CH2M. And the revolving door spins even faster than that – industry insiders claim CH2M currently has around 200 members of staff working for HS2. A CH2M man took charge of HS2, HS2 hired 200 CH2M staff, and then HS2 awarded CH2M a huge contract… Hundreds of millions of pounds of taxpayer’s money spent without a rail being laid…