Donald Trump Jr. Tuesday tweeted his support for Texas Land Commissioner George P. Bush in his Republican primary campaign against his predecessor, Jerry Patterson, whose son is one of the pilots of Marine One, the Marine Corps helicopter that transports President Donald Trump. In the tweet, the president’s son says that, “Elections are about choices. In 2016, @GeorgePBush endorsed @realDonaldTrump and campaigned for him. His opponent attacked Trump and urged him quit the race. Texas conservatives have a clear choice: Bush for Texas Land Commissioner.” Bush responded with his own tweet, “Thank you @DonaldJTrumpJr —we’re working hard alongside @realDonaldTrump conservative...