Havana, Cuba ? U.S. Sen. Norm Coleman met with leading Cuban dissidents Saturday, the second day of a visit to learn more about human rights and possibilities for more American trade with the communist-run island.

The Minnesota Republican met in the morning with democracy activist Oswaldo Paya, lead organizer of the Varela Project. The project is a signature-gathering effort aimed at guaranteeing basic civil rights for Cubans, such as freedom of speech and assembly.

Coleman later had lunch at a private family restaurant called El Gringo Viejo, or Old Gringo, with leading dissidents Vladimiro Roca and Elizardo Sanchez.

During his four-day visit, Coleman also met with high-ranking Cuban officials, foreign diplomats, church leaders and ordinary Cubans.

It was not immediately clear if he would meet with President Fidel Castro.