By Nidal al-Mughrabi and Bassam Masoud CAIRO/GAZA (Reuters) -Israeli forces pounded the shattered Gaza Strip on Tuesday while Yemen’s Houthis vowed to defy a U.S.-led naval mission and keep targeting Red Sea shipping in support of the Palestinian enclave’s ruling Hamas movement. Israel’s campaign to eradicate Hamas militants behind an Oct. 7 massacre has left the coastal enclave in ruins, brought widespread hunger and homelessness, and killed nearly 20,000 Gazans, according to the Palestinian enclave’s health ministry. Under foreign pressure to avoid killing innocents, Israel’s Prime Minister …