By Alexander Bolton - 11/07/12 07:21 PM EST
Sen. Rob PortmanRob PortmanJohn Bolton PAC pours more cash into GOP campaigns Dem campaign arm: Poll numbers slipping for vulnerable Republicans GOP senator jokingly calls Sherrod Brown 'Mr. Vice President' MORE (R-Ohio), one of Mitt Romney’s closest allies in the past year, is considering a bid for the chairmanship of the National Republican Senatorial Committee.
If Portman decides to pursue the post, it sets up a leadership race with Sen. Jerry MoranJerry MoranOvernight Finance: McConnell fast-tracks IRS bills; WH pushes free college tuition The Trail 2016: New Trump same as the old GOP lawmaker passes on Kansas Senate primary challenge MORE (R-Kan.), who has been quietly lobbying his colleagues for the job.
Senate Republican Leader Mitch McConnellMitch McConnellOvernight Finance: House rejects financial adviser rule; Obama rebukes Sanders on big banks Senators roll out changes to criminal justice bill Sanders is most popular senator, according to constituent poll MORE (Ky.) reportedly wanted rising-star freshman Sen. Marco RubioMarco RubioFive ways Trump will attack Clinton Rubio: Trump has 'improved significantly' House GOP campaign arm accuses '60 Minutes' of trespassing MORE (R-Fla.) to take over the NRSC, but Rubio is not interested.
A source close to Rubio said it is not likely that Rubio will make a play to succeed outgoing NRSC Chairman John CornynJohn CornynFirst US Zika death reported in Puerto Rico Senate confirms Obama's long-stalled ambassador to Mexico Overnight Healthcare: Medicare fight looms on Capitol Hill MORE (R-Texas), who is running to become Senate Republican whip.