Complete BS. If there were that kind of an advantage, it would be showing up in a lot of the individual, District by District polling.
Yeh, check this out.
http://cdn.cnn.com/cnn/2018/images/10/09/rel9b.-.2018.midterms.pdf
> A total of 1,009 adults were interviewed by telephone nationwide by live interviewers calling both landline and cell phones. Interviews were conducted in English and Spanish. Among the entire sample, 31% described themselves as Democrats, 25% described themselves as Republicans, and 44% described themselves as independents or members of another party
Takeaways: they used every trick in the book to skew the results.
“Adults” (vs. the more reliable “likely voters”;
31D/25R/44I breakdown vs. Gallup’s 27/26/44. https://news.gallup.com/poll/15370/party-affiliation.aspx
Interviews conducted in Spanish.
I would bet that the sample is 60% female and younger than the electorate too since they mysteriously decline to print the M/F and age bracket percentages.
It would also be showing in the senate.