WASHINGTON — Doug Emhoff is set to convene a roundtable with Jewish leaders and other experts Wednesday to discuss the rise of antisemitism and efforts to counter hate nationwide. The White House announced Monday that the roundtable hosted by the second gentleman will include White House Domestic Policy Adviser Susan Rice; Ambassador Deborah Lipstadt, special envoy to monitor and combat antisemitism; and Keisha Lance Bottoms, senior adviser to the president for public engagement. Lipstadt is one of the world's pre-eminent experts on the Holocaust and antisemitism. The advisory for the event didn't identify any other attendees yet, though it said...