[ad_1] Best Buy offered to screen donations from its employee resource groups going to LGBTQ causes following pressure from a conservative think tank that holds shares in the company, according to a Securities and Exchange Commission filing made public this week. The SEC filing contains a months-long email exchange between the National Center for Public Policy Research, which describes itself as a “nonpartisan, free-market conservative think tank,” and Best Buy. The dialogue, which hasn’t been previously reported, shows how the center said it would make “a splash” unless the consumer electronics giant moved…