HAVANA – Cuba has summoned the top U.S. diplomat on the island to protest extra screening for Cuban citizens flying into the United States. HAVANA – Cuba has summoned the top U.S. diplomat on the island to protest extra screening for Cuban citizens flying into the United States. A top official at Cuba’s foreign ministry says Jonathan Farrar was given a formal protest over the security measures, implemented after an apparent attempt to blow up a jetliner as it approached Detroit on Christmas Day. The United States has demanded more careful screening for citizens of 14 nations deemed secu...