Sinn Fein's deputy leader says the party has a 'real sense of mission' about the upcoming marriage referendum.
Mary Lou McDonald also insisted a TD who defied the whip over a vote on the Protection of Life during Pregnancy Bill, Peadar Toibin, is onside for this issue.
Sinn Fein last week launched its campaign for a 'yes' vote in the referendum on May 22nd.
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Deputy McDonald sees it as a bigger issue than simple party politics:
