Hidden cost of never sharing power: How DMK, AIADMK suffer a double whammy

Tamil Nadu's old political parties, DMK and AIADMK, are now isolated after a new party's stunning debut. For years, they kept power to themselves, not sharing with allies who helped them win. Now, these allies are joining the new government, with one leader saying, "The Congress cadres have been striving for power for the last 59 years."