The construction of a new port in Gaza and a U.S military-built pier offshore are underway, but the complex plan to bring more desperately needed food to Palestinian civilians is still mired in fears over security and how the aid will be delivered. A senior U.S. military official told reporters on Thursday the U.S. is on track to begin delivering aid using the new port and pier by early May. Satellite photos show major port construction along the shore near Gaza City, but aid groups say they have broad concerns about their safety and reservations about how Israeli forces will handle security t...