ARVIND SWAMINATHAN writes from Madras: If a picture conveys a thousand words, the picture above should convey a couple of them, and then some more. At left is N. Ram, the editor-in-chief of The Hindu, currently embroiled in a major row with his brothers N.Murali and N. Ravi (and their cousins Malini Parthasarathy, Nirmala Lakshman…