Thousands of protesters crowding the streets, troops firing tear gas, many people mad about the president s recent power grab. The country is less than two weeks away from voting on a new constitution. A controversial one, to many people. Reza is in the middle of it in i can propose the demonstration had been unfolding for a while. Whats happening in the last half hour or so . Reporter yeah, lets get you up to speed, michael, on new information that weve gotten over the past hour. According to witnesses on the ground, protesters have broken at least one barrier, set up with barbed wire that was arranged by police to keep protesters away from the president ial palace, another witness telling us theres been one clash between protesters and police after demonstrators started throwing rocks, debris, other objects, at police and Police Responded by firing at least one round of tear gas. For the most part, these demonstrations near the president ial palace have been peaceful, but with this c