Joaquin Castro tweeted the following:
"The United States mourns with theUnited Kingdom and the Commonwealth on the passing of Queen Elizabeth II.She led a remarkable life dedicated to public service and her legacy will influence generations to come."Read on Twitter
Here are other recent tweets from Joaquin Castro:
"Also, the @usopen should bring back Super Saturday."Read on Twitter
"What an incredible match between #Alcaraz and #Sinner at the @usopen. It feels like (maybe) the first big match of a longtime rivalry to come."Read on Twitter
"Thank you to all the callers who joined! If you missed tonight's telephone town hall, you can watch the full conversation on Facebook: fb.watch/foYJCFnhhf/"Read on Twitter