Nonchalance has remained the hallmark of Karti Chidambaram, the only son of former Union finance minister P. Chi­dambaram. The 45-year-old businessman-politician could always afford to be so, having grown up amidst wealth, political power and even readily available legal advice (his parents are top lawyers). “What do you think they can do? Nothing will come of that! All this is just empty posturing.” These are some of Karti’s fav­ourite responses when confronted with a tricky situation.