WILLMAR — It’s doubtful that anyone has ever thought they should pedal a two-seat, four-wheel bicycle from St. Cloud, Minnesota, to a small burg near Des Moines, Iowa, known as Atlantic. And if they had, they certainly would not take the convoluted route that Nahla Summers is following by her own design. On a map, she is spelling out the word “kindness” by pedaling a 2,000-mile route on bike trails and country roads between the two points. The 4…