Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
The Senate was unable to get the 60 votes needed to approve construction of the controversial Keystone XL pipeline.
Michelle Kosinski looks at what the Democrats loss of the Senate might mean for President Obama's final two years in office.
Dana Bash reports that Senate candidates have little room for error this close to election day.
The Senate voted in favor of the U.S. supplying arms and training the Syrian rebels in the war against ISIS.
New details emerge of how a giant international bank helped wealthy Americans dodge taxes, CNN's Brian Todd reports.
Dana Bash reports on the last-minute drama the freshman Texas Republican caused over the Senate's vote to raise the debt limit.
Senate Democrats took a historic step this afternoon, voting with a simple majority to implement the "nuclear option" - changing Senate rules so that only 51 votes are needed to approve some presidential nominees. In an interview with Wolf Blitzer, Sen. John McCain decries the move, accusing many Democrats of "outright hypocrisy."
It's a historic change to Senate rules that lets a simple majority approve some presidential nominees. Democrats argue it's necessary given the obstructionism of Republicans; Republicans charge it will ruin the Senate. CNN's Dana Bash reports.
The Newark mayor wants to be New Jersey's next senator, but critics question whether his political popularity is deserved. CNN's Jason Carroll interviews Cory Booker.
On Day One of the government shutdown, Sen. Dick Durbin blames Speaker John Boehner, Sen. Ted Cruz, and others for the "Tea Party" shutdown. The Democrat from Illinois tells Wolf Blitzer a meeting between Obama and Congressional leaders "will probably happen" soon.