VICKSBURG 鈥 Life has been a spiritual search for stability and acceptance for Rena鈥 Cain, starting from a girlhood spent in a foster home. 鈥淎s a kid, I was teased horribly for speaking properly and choosing my words,鈥 said Cain, 52, of Vicksburg. 鈥淚 was told I didn鈥檛...