Russian passenger plane crashes near Moscow; 71 dead

By Maria Kiselyova and Andrew OsbornMOSCOW (Reuters) - A Russian passenger plane crashed near Moscow soon after take-off on Sunday, killing all 71 people on board, and investigators said they were looking at all possible causes.Temperatures were around minus 5 degrees Celsius with periodic snowfall when the short-haul AN-148 operated by Saratov Airlines took off for the city of Orsk in Orenburg region, about 900 miles (1,500 km) southeast of the capital.President Vladimir Putin offered condolenc