The most ingenious, hardest-working, most cleverly entrepreneurial are so often the poor. They cobble together multiple low-wage jobs to pay the rent — jobs that demand complicated scheduling charts to track where to be when. They create tasty new ways to stretch packages of ramen. Or they devise charming games to entertain the kids when toys, movies and video games are not in the budget — all while sleep deprived and plagued by apprehensions.Stephanie Land’s new [...]