Reuters: A delay in the onset of the La Nina weather pattern this year is likely to buoy crops across key growing regions in the United States, Australia and India, a leading weather forecaster said on Thursday. Another year of bumper production of crops such as corn, wheat and soybeans would boost global inventories that have risen near record levels following successive large harvests. "Some models were showing La Nina developing by July but they have delayed that by a month or two now," said Kyle Tapley,...