Here is the poll.
It does seem that Hillary does not have much of an Hispanic firewall. So that leaves the black firewall for her, which will be tested in SC. She might end up being in serious trouble in CA, although I suspect she will do well with the Asian vote, who might not be so keen on Bernie's left wing economics.
The poll chief is a former Republican Party official
"In 2002, Michael was the executive director of the Michigan Republican Party. During his tenure, Republicans maintained a majority in the State Senate, increased their majority in the State House, retained the Secretary of State’s office, preserved a conservative majority on the Supreme Court, and, for the first time in forty years, Michigan voters elected a Republican Attorney General.
Prior to his work at the Michigan Republican Party, Michael worked as the director of former Michigan Lieutenant Governor Dick Posthumus’s political action committee. He also served in a number of roles in the Michigan Legislature including chief of staff to the Chairman of Technology and Energy Committee and as finance director of the Senate Republican Campaign Committee. Michael’s work on Presidential campaigns began in 1996 as a field representative for the Dole-Kemp campaign.” http://www.targetpointconsulting.com/pages/executive_team
Sounds like he has vast experience in the politicsl realm.
Great news!
Experienced or not, he is a Republican, and Republicans have made it clear that they wish Sanders wins the nomination. The RNC chief constantly tweets pro-Bernie, anti-Hillary stuff and Karl Rove's Super Pac has been rooting for Sanders as well. Republicans' support for Bernie has been in the news. Im surprised that you claim not to know this fact: http://www.bloomberg.com/politics/articles/2016-01-19/republican-operatives-are-trying-to-help-bernie-sanders
Be careful what you wish for Republicans, you just might get it.