It’s time to lace up, “No Shoes Nation.” This year and next, Kenny Chesney — the group’s fearless leader — has quite a few irons in the fire. First up, the “American Kids” singer will embark on a nationwide book tour celebrating the release of his book “Heart Life Music.” While on that on run, he’ll make his sole Tri-state stop when he drops into Englewood, NJ’s Bergen Performing Arts Center on Tuesday, Nov. 4, which is the same day the book (that isn’t quite a memoir but “something far better”