RAFAH — In the early morning hours, fisherman Muhammad Bardawil arranges his fishing nets and places them on his tiny boat to begin his daily journey off Gaza’s southernmost city, Rafah. He knows that this trip could be his last; he could be killed by Israeli shells. But Bardawil does not think about this risk. He is focused on rowing out 500 meters — the distance Israel allows Gaza fishermen —to cast out his nets, and on his hopes of catching fish to feed his starving children — and to sell any extra. Bardawil said he catches about 5 kilograms (11lbs.) of sardines (a favorite among Gaza resid…