WASHINGTON — Vice President JD Vance and his wife, second lady Usha Vance, are expecting a son in late July, they announced in a social media post Tuesday.The couple said they were excited to share the news of their fourth child, who will join their other three young kids: Ewan, Vivek and Mirabel.Vance, 41, and his wife, 40, said in the post that both mother and baby were doing well.“During this exciting and hectic time, we are particularly grateful for the military doctors who take excellent care of our family and for the staff members who do so much to ensure that we can serve the count…READ FULL ARTICLE