Without a motion those who want changes - a referendum, the removal of the bishops, or whatever - will see their ideas debated as long as they've managed to produce an amendment that is in order.

BBC: Lords reform looks set to snarl up the Commons

Instead, Feinstein could propose the ban as an amendment to the gun legislation on the Senate floor in order to get a vote on it, Reid said.

CNN: Senate leader says new weapons ban won't pass

Moscow introduced an amendment to its Information Act in November allowing sites to be taken offline in order to protect children.

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