National Journal's John Mercurio points out that Senate Minority Leader Mitch McConnell might face some political opposition depending on how his state's Senate primary turns out. McConnell has endorsed Secretary of State Trey Grayson, who trails Tea Party darling Rand Paul by an average of 15 percentage points in major polls. If Paul wins, it could be seen as a blow to the Republican establishment. And Mercurio hints at another possible ramification: that Sen. Jim DeMint, the conservative champion, will challenge McConnell for his leadership post, having been emboldened by the success of Paul and fellow DeMint-endorsed candidate Marco Rubio. It seems unclear how likely that is--or, for that matter, how well a DeMint minority-leader candidacy would go.
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