JEDDAH, Saudi Arabia (Reuters) - Dozens of Saudis have signed up to join a two-day hunger strike this week to protest against the detention of a prominent rights activist, a rights group said. Mohamad al-Bajadi was detained in March 2011, activists said, for supporting families demonstrating outside the Interior Ministry in Riyadh to demand the release of detained relatives. His trial, on charges including tarnishing the reputation of the state, has been suspended as he refused to recognize the court. ...