in 2004, chechen terrorists seized a school in beslan.an 300 were killed, including 186 children in a botched security response. that same year, a new, grisly era began, the lethal poisoning of putin's opponents. some survived, some died gruesome deaths. this as putin stoked his tough guy image for the cameras and changed the face he showed the west. at the 2007 munich security conference, putin blasted nato expansn, and the united states specifically, as threats. >> one state, primarily the united states, has overstepped its national borders in every area, in economy, in politics, humanitarian, and educational policies it imposes on other nations. lisa: it was a stark warning that turned to warfare the next year. russia rolled into breakaway parts of the former soviet republic of georgia, itself hoping to enter nato. soon, putin had a new threat to his power. the russian middle class now wanted a say. tens of thousands of russians took to the streets, joining leaders like alexei navalny to challenge growing repression. they charged rampa