The days after the anniversary of Iranian elections have been far from quiet. Mousavi issues mixed call for secularism, hedging his bets while protests continue.
A call for rallies by Mousavi and Karoubi is likely to raise the stakes in an already very tense situation as labor groups organize to protest their conditions in Iran.
In recent months, the crackdown on the Green Movement and the deliberate slowdown of the internet by the Iranian government has communication difficult. Also, members of the Green Movement have been highly secretive about their intentions during the upcoming new-year celebration, Nowruz.