The really weird thing about that exchange is that it appears that Vega actually gave a correct explanation with a full sentence, but then his/her post was deleted in badgate's quotation just enough to make it appear that it didn't. This is the original:
California - Summary Vote Results
June 11, 2012 - 08:32PM ET
U.S. Senate - Open Primary
21993 of 21993 Precincts Reporting - 100%
Max Winners=2
Feinstein, Dianne (i) | Dem | 2,071,501 | 49% |
Emken, Elizabeth | GOP | 530,423 | 13% |
Hughes, Dan | GOP | 279,735 | 7% |
Williams, Rick | GOP | 136,749 | 3% |
Taitz, Orly | GOP | 133,087 | 3% |
Perhaps I don't understand the jungle primary but where's the other 28%?
It's all there when you look at the percentage points other candidates, not listed there, received.