bring one disaster on top of another. reporter: this is america, land of the dry. reservoirs evaporating, rivers barely moving. farmland cracked and poarched b a persistent drought. the u.s. department of agriculture reports almost half of the nation s counties have been declared disasters because of the drought. much of the west, midwest and southeast bathed in red, having endured severe droughts this year. the fear in colorado county texas is potential wildfires, fuelled by the trees killed in last year s drought. we very well in rural lands may have lost between 105 million trees. it s been so hot in minnesota, even its famous lakes provide little relief. we had temperatures pushing 90 degrees in some of our shallow lakes. causing fish kills in at least 25 lakes. withering in the fields, the price of corn set a new high this week, but there s other trouble, too.