Sabbahi's declaration has already split the leadership of Tamarod, the high-profile protest movement that led calls for Mohamed Morsi's overthrow last summer.
Mr Al-Khawaja was tried before a military tribunal and given a life sentence for allegedly conspiring to overthrow the Bahrain government.
Sisi headed military intelligence under Mubarak, and was a member of the military council that drew criticism for the heavy-handed way it ruled Egypt following Mubarak's overthrow.
Conflicts between al-Jazeera and the Egyptian authorities after the Brotherhood's overthrow in July forced the broadcaster to shut the offices of its Arabic and English divisions, and its employees to operate without accreditation – one of several charges laid against the journalists on Wednesday.
"All of these [secular opposition] parties were tremendously weakened by 30 years of Mubarak's regime and 60 years of single-party rule," said Dawoud, who was stabbed by Morsi supporters for calling for his overthrow, and condemned by other secular politicians for denouncing the later crackdown on Islamists.
Of the leftist and liberal politicians who were expected to profit from Mubarak's overthrow three years ago, only a handful – including ElBaradei – have stuck to their principles by criticising both Morsi and his successors.
Either way, it gave Root the chance to comment on the incident the previous evening when Warner, angered by Rohit Sharma's decision to run on an overthrow, told the batsman to speak English.
Western officials who back rebel efforts to overthrow Assad have been reluctant to provide more anti-aircraft weapons, fearing they would fall into the hands of groups like the Nusra Front.
The Vatan-e-Emrooz newspaper, which has a conspiratorial mindset, published a front-page article in April warning that the event is aimed at orchestrating a "soft overthrow" in Iran and urged the country's intelligence apparatus to be vigilant.
Meanwhile, Russian media have claimed that snipers were employed by the opposition or western intelligence agencies to provoke Yanukovych's overthrow.
Another initiative that sprung up this month was a short-lived crowdfunding attempt asking for $10m to "overthrow" the government of North Korea.
