Brazil's Luiz Inacio Lula da Silva and Uruguay's Jose Mujica have been quietly engaging political players in Caracas and Havana.
Feb 27, 2014 | 06:03 GMT
There are early signs of possible defections in the president's party and in the military.
Feb 24, 2014 | 19:59 GMT
The government likely will not reach a breaking point until parts of the president's support base join the demonstrations.
Feb 22, 2014 | 17:29 GMT