Biden, Trump head for the border

First: A source tells CNN that President Biden will make a rare visit to the US-Mexico border on Thursday, the same day Donald Trump is heading to another Texas border town.  Plus: Four states, four Trump wins, but it's not all good news for the all-but-certain Republican nominee as the former president's double-digit win in Nikki Haley's home state also reveals some potential weaknesses in November.  And: In a CNN exclusive, my colleagues uncovered a secret Twitter account from the right-wing attorney behind the Trump fake electors plot. Hear for the first time what he tried to hide from investors.  Learn more about your ad choices. Visit podcastchoices.com/adchoices