Israel has warned that its naval forces will prevent a Turkish-led flotilla of eight blockade-running ships carrying 10,000 tons of aid for the besieged Gaza Strip, a confrontation that could deliver the death blow to the crumbling alliance between Israel and Turkey. The breakup of that strategic alliance was triggered by Israel's 22-day invasion of Gaza in December 2008. Turkey's Islamist government led by Prime Minister Tayep Reccep Erdogan bitterly and volubly opposed that incursion in which some 1,300 Palestinians, mostly civilians, were killed. The alliance with Muslim Turkey, a member of NATO and a key military power in the...