A Democrat state official in Texas said Tuesday he is resigning after being pressured to do so because he used a racial slur to describe Sen. Tim Scott (R-S.C.), one of a handful of black U.S. senators. “I am deeply and sincerely sorry for my inappropriate and hurtful use of [the] racist term I used to describe Sen. Tim Scott on my personal Facebook page. It was insensitive, and I have embarrassed myself and my party by its use,” Lamar County Democratic Party Chairman Gary O’Connor told the Washington Examiner. “As a result, I feel compelled to offer my resignation as chair of the Lamar County Democratic Party for consideration by the County Executive Committee,” he added. O’Connor has not returned requests for comment. The Texas Democratic Party did not respond to an inquiry. The official last week called Scott a term decried as a racial slur by supporters of …