Thousands in Russia Rally Against Terror MOSCOW - Tens of thousands of demonstrators waving banners and flags gathered in Red Square in a show of unity against terrorism as the country mourned the hundreds of victims of a hostage-taking at a school in southern Russia.    More than 100,000 people were expected to take part in the evening rally in the capital, organized by a pro-government trade union and advertised on state-controlled television by celebrities who appealed to citizens to turn out to say no to terror...