Why would African American city councilors vote to keep one of their own down?

Local attorney and MBE/WBE Darla Williams received the official nod from the city council to begin her mayoral appointed position as an administrative law judge.

From Hoosier Access live blog of the council meeting:

"7:36 PM - Proposal 163 - Approves Mayor Ballard’s appointment of Darla Williams as an Administrative Law Judge presiding over environmental violations. Proposal Passes 18-8 with Councilors Bateman, Brown, Minton-McNeill, Evans, Gray, Oliver, Pryor, and Sanders opposing. Isn’t it interesting that 7 African-American Democrats are opposing the appointment of another African-American to a position such as this?"

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What we don't get is why seven African American city council members voted to keep down a well qualified, african american lawyer who put herself through law school!
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What is worse is that some of these same Center Township gang on the city council were heard grumbling later that there aren't enough blacks in appointed city offices.

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Anyone's guess how long until Monroe Gray goes to federal prison for the ethics violations tied to his bankrupt concrete company that received no bid city contracts, his ghost employment at IFD, cheating on his property taxes, and other ethics violations?