At least 60 states will vote to advance legislation authorizing the Keystone XL pipeline , Sen. Mary Landrieu said . The Louisiana Senate is trying to pass the bill in order to help in her November 6 run - off election against Republican Bill Nelson .
At least 60 senators will vote to advance legislation authorizing the Keystone XL pipeline , Sen. Mary Landrieu says . The Louisiana Democrat is trying to pass the bill in time to help in her Dec. 6 run-off election against Republican Bill Cassidy .