In the Generic sense sure. But when you drill into details you will find everyone is more liberal/conservative some places than others.
Warren's wheel house centers around finance issues of the middle income quintile. Which is like 40-60k/yr. Not many people can match her record in that specific area.
So yes HRC is Liberal but when it comes to finance issues affecting a family with $47k/yr income. Most anybody trying to be liberal is going to have to follow Warren.