Douglas Emhoff, husband of Vice President Kamala Harris, will deliver the keynote address at the BBYO International Convention, an annual gathering of Jewish teenagers from around the world, in Dallas on Thursday, a White House official said. The Second Gentleman will also participate in a discussion centered on combating antisemitism in the U.S. The exact location of the conference keynote address has not been publicly released due to safety concerns. Emhoff’s visit to North Texas comes as he continues to campaign against antisemitism. Last week, Emhoff, who is the first Jewish spouse of either a U.S. president or vice president,...