By Nora Gámez Torres From Miami Herald Cuban authorities continued their crackdown on domestic opposition, handing down sentences of up to 30 years to 128 anti-government protesters, including two underage teenagers. Thirty-one people were sentenced to more than 20 years in prison, and the majority will spend more than 10 in prison, the Cuban Supreme Court said in a statement Wednesday. They had been charged with committing “serious disturbances and acts of vandalism, with the purpose of destabilizing public order, collective security, and citizen tranquility.” Giuseppe Belaunzarán Guada and Brayan Piloto Pupo, both 16, were sentenced to 10 years. The government claims they are not minors because the Cuban penal code allows the prosecution of those 16 and older. But other laws set the legal age at 18. Youths aged 17 and 18 were also given long sentences. Kendry Miranda Cárdenas, 17, charged with sedition, was sentenced to 19 years. …