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. 

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