Most Republican U.S. Senators seeking re-election next year face primary challenges, underscoring differences in tone and ideology within the party as it seeks to wrest control of the chamber from the Democrats.
The U.S. Senate changed its rules to let a simple majority confirm most presidential nominees, defying opposition from Republicans who called it the most dangerous revision of its process in more than two centuries.
A battle for control of the Republican Party has erupted as an emboldened Tea Party moved to oust senators who voted to reopen the government while business groups mobilized to defeat allies of the small-government movement.
Senator Thad Cochran bought shares of Crimson Exploration Inc., a Houston-based oil company, in two trades a week apart last fall. The shares climbed for six weeks and Cochran sold them on Dec. 15 for a profit.
The U.S. Congress is taking up legislation on federal borrowing authority this week that won’t prevail because of the political split between the chambers, leaving in place the debt-ceiling suspension passed Oct. 16.
The U.S. Commodity Futures Trading Commission next month plans to complete rules to boost protection of customer funds and release a new proposal for limits on speculation in oil, natural gas and other markets, according to two people familiar with the matter.