by David WILLIAMS / Andrew BEATTY SYDNEY, Australia (AFP) — The Pacific Island nation of Tonga was virtually cut off from the rest of the world Monday, after a massive volcanic blast that crippled communications and stalled emergency relief efforts. It is two days since the Hunga Tonga-Hunga Ha’apai volcano exploded, cloaking Tonga in a film of ash, triggering a Pacific-wide tsunami and releasing shock waves that wrapped around the entire Earth. But with phone […]