The Cuban government has announced emergency measures to slash electricity demand, including suspending school and university classes. Cubans took to the streets in protest as widespread blackouts stretched into their fourth day, their concerns heightened as Hurricane Oscar crossed the island’s eastern coast with winds and heavy rain.In Santo Suárez, part of a populous neighborhood in southwestern Havana, people went into the streets banging pots and pans in protest Sunday night.“We haven’t had electricity for three nights, and our food is rotting.