Chelsea Clinton announces pregnancy

NEW YORK (AP) — Chelsea Clinton has announced her family is expanding.
The 38-year-old former first daughter tweeted Tuesday that she and her husband Marc are expecting another child in the summer.
The couple has a daughter Charlotte born in 2014 and a son Aidan born in 2016. She did not announce the sex of the third child.
In a reply to congratulations on Twitter, Clinton said Hillary and Bill are thrilled.
Clinton and 41-year-old investment banker Marc Mezvinsky have been married since 2