Sen. Bill Nelson opposes an amendment related to the energy package.
A host of outside factors and her own missteps combined to ensure the Democrat's defeat.
Rep. Bill Cassidy (R) is widely expected to topple the last incumbent Deep South Democrat.
Americans for Prosperity's Senate runoff ad invokes the controversial ObamaCare adviser.
Probe comes amid Dem allegations he wrongly billed the school for work while in Congress.
Louisiana Dem says her GOP opponent voted to cut funding for schoolchildren to pay for it.
But the Louisiana Democrat argued the bill's failure won't undermine her reelection efforts.
House Dems are furious their Senate colleagues have hijacked Keystone to save Landrieu.
The group launched an ad Tuesday night hitting Landrieu on energy issues.
Rob Maness (R) is running against Rep. Bill Cassidy (R) and Sen. Mary Landrieu (D).
Maness says questions about Sen. Landrieu's (D) home should disqualify her from the ballot.
Republicans are stepping up their efforts to use the delay to their advantage.
Sen. Bill Cassidy says a groundswell of angry voters helps advance chances of a full repeal.
Republican's victory gives GOP an eight-seat pickup in the Senate after 2014 midterms.
She didn’t get any financial help from the Senate campaign arm in the Louisiana runoff.
Sen. Landrieu accused Rep. Cassidy of “padding his pockets” at the expense of taxpayers.
The GOP doctor says allegations he wrongly billed LSU while in Congress are bogus claims.
Louisiana Democrat tries to portray Rep. Bill Cassidy (R-La.) as out of touch.
The gun rights group's new ad ties the Louisiana Democrat to President Obama.
After the midterm elections, both the House and Senate will take up bipartisan bills after...
Looming runoffs in Louisiana and Georgia could extend Election Day until January.
The House will vote on a bill to allow individuals to keep their insurance plans under the...
The vulnerable Democrat raked in $2.1 million to Rep. Bill Cassidy's (R-La.) $1.6 million.
In Louisiana, Mary Landrieu calls for closure of the "Jindal Gap."