"The special interests have had their turn, now it's our turn," Conlin says in the tag line (she does the full voiceover herself). There's no specific mention of Chuck Grassley, but some references to "career politicians" imply the target. O. Kay has full text and press release.
Indeed, "target" is the wrong word, as Conlin plays up her humble roots. Defusing the Rich Trial Lawyer attack that's
No work yet on whether it will hit broadcast; my bet is that a short version is in the can ready and waiting for the Official Announcement.