Elizabeth Warren is the Internet's favorite senator.

Scan her YouTube page and you find multiple clips that have racked up more than a million views. The interest in Warren online is indicative of the broader passion within the activist base of the Democratic Party and one of the key reasons why, if Warren wanted to run for president in 2016, she'd have a path.

Below we examine the Warren Internet phenomenon in a clip for Post TV's "In Play".

She's been in the Senate for less than a year, but Massachusetts Democrat Elizabeth Warren's grasp extends beyond Capitol Hill - thanks to her YouTube presence. (The Washington Post)