Tonight's guests:
- Sarah Feinberg, the Federal Railroad Administration's acting administrator
Tonight's links:
Hillary Clinton's debate performance complicates Biden's path
Democratic Debate Turns Hillary Clinton's Way After Months of Difficulties
Hillary Clinton Wins Big in Vegas
Analysis: Clinton Methodical, Efficient in First Democratic Debate
CNN Focus Group Says Bernie Sanders Won The First Democratic Debate
Bernie Sanders wins with Fusion focus group
Focus Group Says Sanders Was Big Winner at Democratic Debate
Sanders campaign reports bringing in $1.4 million from Dem debate
The candidate breaking through in the Democratic debate? Bernie Sanders.
Bernie Sanders sparks the most social media buzz post-debate
Who Won the Democratic Debate? Progressives, Hands Down
A Clinton Email Defense That Turned Defensive
As Iowa Watches, Hillary Clinton's Trust Is at Issue
Democratic Debate Turns Hillary Clinton's Way After Months of Difficulties
The Grown-Ups Take the Stage at the Democratic Debate
October 24, 2008 - Obama reaches out to Republicans
Jeb Bush's presidential thinking: 'Can I do it joyfully?'
Railroad Agency Details New Rail-Track Standards
Fox News Poll: Carson giving Trump a run for his money
TRUMP IS TOPS AS CLINTON DROPS IN CONNECTICUT PRIMARIES, QUINNIPIAC UNIVERSITY POLL FINDS (pdf)
Trump, Carson Basically Tied in Pennsylvania (pdf)