By Byron Kaye and Matt Siegel SYDNEY/PERTH, Australia Sat Apr 19, 2014 10:27pm EDT (Reuters) – The search for missing Malaysia Airlines Flight MH370 entered its 44th day on Sunday as Australian search officials said a crucial series of sonar scans of the Indian Ocean floor could be completed within a week. The air, surface and underwater search is now focused on footage taken by a U.S. Navy deep sea drone, which has narrowed its […]