Economy Can't introduce Bt cotton tech in India due to royalty issues, says Bayer AG Updated : September 18, 2018 08:17 PM IST In June this year, Bayer completed the $63-billion mega deal to acquire US-based Monsanto to create the world's biggest agro-chemical and seed company. Bannon said the last time a US president had been challenged in such a fashion was during the American Civil War when General George B. McClellan clashed with the then president, Abraham Lincoln. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.