Patna, Jan. 26 -- Rashtriya Janata Dal leader Tejashwi Yadav, the younger son of party's founding chief Lalu Prasad, was on Sunday named national working president, in a formal seal of approval on his position in the line of succession. The decision was taken in presence of the ailing RJD chief, Tejashwi and senior leaders including party's Rajya Sabha MP Misa Bharti. With the 77-year-old Lalu's health restricting his mobility and public engagements, the appointment effectively hands day-to-day control of the party to his younger son. Addressing the national executive meeting after being appointed as national working president, Tejashwi said, "In the Bihar elections, people were defeated and the (government) machinery emerged victorious," Y...