Pasok remains a very well rooted social democratic party, with multi-generational networks inside every village.
Yet this reflected reforms by Costas Simitis, his Pasok predecessor, to get Greece into the euro.
Between them, New Democracy, Pasok and Democratic Left would have a majority of 29.
Pasok said that it will no longer take part in debates with Golden Dawn members.
An ambitious constitutional lawyer, he is keen to succeed Mr Papandreou as Pasok leader.
Evangelos Venizelos became leader of Greece's socialist party Pasok in the most inauspicious circumstances.
But the Pasok government took no action and later claimed to have lost it.
Despite his own moderation, Mr Simitis has not yet finished clearing out Pasok's wild men.
Pasok has freed up the economy only tentatively, held back by the country's feisty unions.
As new elections loom, obviously one possible outcome is the return of voters to ND and Pasok.
George Papandreou, the opposition Pasok leader, urged the prime minister to resign and call a general election.
The Panhellenic Socialist Movement (Pasok), which also supports the bail-out, would come a distant third, with 11.8%.
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In fact, the combined support for ND, Pasok and the rump of LAOS totals 43% in the polls.
New Democracy is now in a power-sharing government with longtime socialist PASOK rivals and the small Democratic Left.
In the previous parliament, elected in 2009, Pasok held 160 seats, New Democracy held 91 and Syriza, 13.
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Members of his PASOK party are recalcitrant, not least because the reforms threaten the party's power-base in the unions.
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Mr Simitis fought back by insisting that Pasok's next congress should be in October, six months earlier than planned.
The bottom line is that the ND-PASOK duopoly has now lost its legitimacy.
The coalition will also include the Socialists (Pasok) and the smaller Democratic Left.
Opinion polls suggest New Democracy will take about a fifth of the vote, with Pasok a few points behind.
It does not help that Pasok's return to power has been so chaotic.
On 18 March this year, as Pasok's support collapsed in opinion polls, he was elected unopposed as party leader.
But the murder of the British brigadier has revived memories of a Pasok that has not yet entirely disappeared.
In the mid-1980s, for example, a Pasok government let Abu Nidal, a Palestinian terrorist, have an office in Athens.
Her Pasok party, the largest in the coalition, also suffered the loss of a deputy labour minister on Thursday.
Optimists hope ND will win and team up with Pasok and Democratic Left, a small party of ex-Syriza moderates.
Voices from within his own Pasok party have called on him to resign.
The conservative New Democracy party and the socialist Pasok movement were both crushed.
While the new PASOK leader Evangelinos Venizelos has acted more responsibly, he is also part of the same tainted elite.
George Papandreou, the foreign minister and son of Pasok's populist founder, the late Andreas Papandreou, would be the best-qualified alternative.
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