YEREVAN (Reuters) - Kosovo's independence will strengthen a bid by the Armenian-backed breakaway region of Nagorno-Karabakh to be recognized as a state, Armenia's prime minister Serzh Sarksyan told Reuters in an interview. Sarksyan drew a link between the Serbian province which will declare independence on Sunday and Nagorno-Karabakh, where ethnic Armenian separatists broke away from Azerbaijan in a war in the 1990s but have failed to win international recognition. "We are getting a rather favorable position," said Sarksyan, front-runner in the February 19 Armenian presidential election. "Recognition of Kosovo's independence can be welcomed by us. "If countries recognize the independence...