Both potential changes drew international criticism for being a way for the current regime to shun accountability and stay in power longer.
Not so fast, rejoins the prime minister, who recently inked a new agreement with the EU.
Authorities could soon start bringing home some of the vanished $1 billion.
Seventeen people, including two connected to the separatist conflict in eastern Ukraine, were detained for allegedly planning to kill Vladimir Plahotniuc.
From a potential referendum, to membership in the Eurasian Economic Union and the relationship with the EU, Igor Dodon and Pavel Filip cannot find any common ground.
Chisinau sees Bucharest's decision to make the anniversary a public holiday as a way of fomenting unionist feelings.
Representatives of the Orthodox Church were also present at the rallies, which included shows of support for traditional families, a touchy subject in Romania.
Reports say four-year scheme channeled $20 billion, maybe much more, on a wild ride from Russia to Moldova to Latvia.
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The Moldovan Diaries is a multimedia, interactive examination of the country's ethnic, religious, social and political identities by Paolo Paterlini and Cesare De Giglio.
This innovative approach to story telling gives voice to ordinary people and takes the reader on the virtual trip across Moldovan rural and urban landscapes.
It is a unique and intimate map of the nation.