For white-tailed deer, what transpires during spring determines whether a new generation of whitetails - the year's allotment of fawns - will flourish or fail. The grim period of winter that culls thousands of sick, lame, and other unfit animals is over. For does heavy with young, the effects of a severe winter linger into spring. However, when spring follows a mild to moderate winter season, does and their fawns revel in a bounty of resurgent flora,...