READERS' FAVORITE REVIEW by Donna Gielow McFarland CROSSING OVER by Paul Clayton tells the story of an American family trying to survive the beginnings of the second civil war. Set some time in the not-too-distant future, the existence of two simultaneous presidents has split the country along ideological lines. The protests are becoming violent, sections of the country have formed their own militias, along with the militias of the two warring parties...