It materialized suddenly on Friday, when Republicans introduced the welfare bill that they plan to take to the floor this week.

Republicans in Congress introduced a health insurance bill last week.

The Republicans introduced the system of paying hospitals a predetermined amount based on the patient's illness in 1983.

The following day, Republicans introduced legislation to repeal the bill.

Republicans have not introduced a single jobs bill since they took over the House in 2010.

In 2010, the Republican introduced 22 bills and resolutions, but none became law.

Republicans in the Senate introduced a balanced budget amendment to set limits on government spending and national debt.

Republicans have introduced a $915bn spending bill to keep the US government operating through 2012.

This spring their efforts bore fruit as Republicans introduced a bill to repeal the ban.

Democrats and Republicans in the House have introduced dueling bills.