bill to discipline China for unfairly holding the value of their currency lower than the free market value. Strongly suggest you read the full article as four paragraphs cannot really explain this rules fight.
http://www.politico.com/news/stories/1011/65383.html?wpisrc=nl_wonkBy a 51-48 vote, the Senate voted along party lines to change the precedent and limit how amendments can be considered once a filibuster is defeated. Under normal procedure, the Senate has 30 hours of debate after 60 senators agree to end a filibuster. Amendments can be considered during those 30 hours if each side agrees by unanimous consent to schedule a vote — or if a senator moves to waive the rules, which would then require the support of 67 senators in order to succeed.
But under the new procedure, senators can no longer move to waive the rules once a filibuster is defeated — a battle that threatens to further inflame partisan tensions and stymie legislative action at a time when frustration with Congress is at an all-time high.
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The latest procedural dispute centered around Republican amendments to a bill aimed at retaliating against China for allegedly undervaluing its currency in an attempt to sell its exports at much cheaper prices. The bill was headed towards final passage after a bipartisan majority defeated a Republican filibuster Thursday morning — even after no GOP amendments had been considered.
After the filibuster was defeated, Republicans had a series of unrelated amendments they wanted debated, including one by McConnell to force the Senate to decide whether to bring up Obama’s original jobs proposal that had caused some controversy among a handful of Democratic senators
{http://thehill.com/homenews/senate/185693-senate-dems-quash-obamas-tax-plan">and which was not offered for a vote by the Senate Democrats as they are modifying the bill to change the funding by applying a surtax on those with an annual incomce of a million dollars or more._Bill USA}.
(more)
here's a further explanation of what's going on
http://www.dailykos.com/story/2011/10/06/1023638/-Sensationalist-headline-about-nuclear-option-in-the-Senate!-But-not-quite-so?via=blog_1&wpisrc=nl_wonk">Sensationalist headline about 'nuclear option' in the Senate! But not quite so. - Daily Kos