In all, there will be 12 state senators and 56 state House members who last year were not serving in their current legislative chamber.
Party chairman Ed Martin said Republicans need to do a better job of defining their opponents in the Democratic Party.
House Speaker John Boehner implored the assembly of newcomers and veterans in the 113th Congress to tackle the nation's heavy burden of debt at long last.
Janet Thompson was the only new face in the group in a ceremony at the Boone County Government Center. Seven other county officials were sworn in by County Clerk Wendy Noren.
In addition to neutralizing middle-class tax increases and spending cuts taking effect with the new year, the legislation will raise tax rates on incomes over $400,000 for individuals and $450,000 for couples.
The Senate-approved compromise to avert the "fiscal cliff" ran headlong into opposition earlier in the day from the No. 2 House Republican and other GOP lawmakers Tuesday.
Democratic officials said that barring opposition from majority Democrats, a late-night Senate vote was possible on the deal.
Republicans withdrew a long-discussed proposal to slow future cost-of-living increases for Social Security recipients as part of a compromise to avoid the cliff.
The president's health care overhaul will add coverage for millions of currently uninsured people, but the medical industry also is facing higher taxes and a potential reduction in Medicare and Medicaid reimbursements.
The executive director of the Missouri Republican Party, who was also a former chief of staff for U.S. Rep. Jo Ann Emerson, announced his plan to seek the nomination on Friday.
The top leaders in both parties on the House and Senate Agriculture committees have agreed to a one-year extension of the 2008 farm bill that expired in October.
State Rep. Jason Smith, R-Salem, says threats from animal rights groups make the amendment necessary.
A combination of fiscal deadlines has led to a convergence of spending cuts and higher taxes set to take effect Jan. 1. Here's a look at the issues and the effect on the economy if lawmakers can't reach a deal.
Republican Bryan Spencer said the Francis Howell school board is playing political games.
Political budget compromise before New Year's deadline appears unlikely.
President Barack Obama returned early from a Hawaiian vacation while lawmakers snarled across a partisan divide, leaders in each party blaming the other for an episode of government gridlock that threatens the economy with a new recession.
House, Senate leaders say legislation prohibiting lawsuits related to occupational diseases will be among their priorities for the 2013 session of the General Assembly.
Raising taxes, changing immigration rules and looking at gun rights are all being taken into consideration as recent events have stirred more discussion and dissent with the GOP stances.
As lawmakers in Washington try to reach a deal to prevent "fiscal cliff" tax increases and spending cuts, the IRS has delayed releasing income tax withholding tables for 2013.
Even if Congress and the White House can't reach a deal on the "fiscal cliff," the higher taxes and lower government spending that would follow would kick in only gradually. A recession is not guaranteed.