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Preview: Living on a dollar

by CBSTV Videos 0:40 mins

Preview: Living on a dollar

by CBSTV Videos 0:40 mins

Two college students, Zach Ingrasci and Chris Temple, travel to rural Guatemala to experience extreme poverty, living on just one dollar a day for 56 days. For more on their journey, watch "CBS This Morning," Friday, Dec. 14 at 7 a.m. ET.