Second lady Usha Vance is expecting her fourth child Fox News host Will Cain has the latest on JD and Usha Vance's growing family on 'The Will Cain Show.' NEW You can now listen to Fox News articles! The White House is experiencing a baby boom.  At least three women with close ties to the White House are pregnant, including second lady Usha Vance , White House press secretary Karoline Leavitt and Katie Miller , who is married to White House deputy chief of staff Stephen Miller.  The Vances