A Republican National Committee member told The Times that ousting 2 Democratic lawmakers "didn't help" the GOP.
Tennessee state Reps. Justin Jones and Justin Pearson were removed from their positions by the GOP-led House.
Brock argued that the party should have considered arguments from the lawmakers over gun reform.
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A member of the Republican National Committee from Tennessee said that the vote by the GOP-led Tennessee House of Representatives to expel two Democratic lawmakers for their gun reform protests "didn't help" the party's brand and has now "energized young voters against us.".
"If my job, along with other members of the RNC, is to protect the brand of the Republican Party, this didn't help," he told the newspaper.
Both Jones and Pearson can be reappointed to their seats, but special elections will also have to be set by the governor. »