By Emma Farge CRANS MONTANA, Switzerland, Jan 1 (Reuters) – Dozens of people were killed and 100 injured, most of them seriously, after fire tore through a crowded bar during a New Year’s Eve party in the upscale Swiss ski resort of Crans-Montana, officials said on Thursday. Fire broke out at 1.30 a.m. (0030 GMT) in a bar called “Le Constellation” in the resort in southwestern Switzerland. The