Kirk nominates Ohio's Portman to replace Coburn, who quit the group earlier this week.
OVERSIGHT - ALL ARTICLES
Nonproliferation and modernization of arsenal top list of priorities.
Committee could reconsider bill that aims to help those who owe money because of erroneous payments.
After leaving 'Gang of Six' negotiations, Sen. Coburn says he believes a deal still can be struck.
Panetta tells staff that leaks could lead to prosecution.
Tom Coburn, R-Okla., does not specify which issues are preventing an agreement.
Treasury head says he is confident deal will be made.
Most federal jobs now are filled based on resumes and cover letters, and KSAs have been virtually eliminated, says John Berry.
Lawmakers question speed of agency's transition away from shuttle.
President Obama can’t bank on his job-approval ratings staying high unless the economy improves.