Perhaps Emily was thinking more about things in the distant future. There is already a Europa mission under development:

http://www.nasa.gov/press-release/nasa-s-europa-mission-begi...

We should be there within the next 10 to 15 years.

When she says "In the 2020s, we’ll launch our next robotic missions to Jupiter; they’ll arrive and do science in the 2030s, and will hopefully persist for a decade or so.", she's referring to the upcoming Europa mission.