Kmart launches #UglySweaterforBetter social media campaign to raise funds to support St. Jude Children's Research Hospital®   #UglySweaterforBetter, A New Addition to Kmart's Annual Campaign to Raise Millions for Lifesaving Research and Treatment of Childhood Cancer and Other Life-Threatening Diseases HOFFMAN ESTATES, Ill., 2017-Nov-29 — /EPR Retail News/ — 'Tis the season to wear the funniest, craziest and…