RAMALLAH, West Bank (Reuters) - The Palestinian Authority and Israel are holding economic talks despite frozen peace negotiations in a bid to revamp revenue collection and help relieve the Palestinian government's deepening debt crisis, officials said on Sunday. Israel has occupied the West Bank since 1967 and interim peace deals have tasked it with levying taxes and customs duties on the Palestinian Authority's behalf, amounting to around $100 million a month, on goods imported into the territories. ...