highs expected again tomorrow. san antonio could shatter the record set two years ago. heat indices near 110 degrees. that s not all. severe storms in montana and north dakota may produce damaging winds over night. the threat moving to minnesota tomorrow, where the threat for tornadoes increases and so many already waiting for a calmer start to next workweek. whit? a lot of summer plans at stake. greg, thank you. tonight, the world s richest man, elon musk, preparing to walk away from his bid to buy twitter. with billions on the line and the social media giant s value plummeting, a protracted legal battle is now shaping up. here s abc s economics correspondent, deirdre bolton. reporter: tonight, get ready for a $44 billion legal battle between one of the world s richest men and twitter s board. it s very difficult to end this agreement between musk and twitter. if it s a scale of 1 to 10, i might say an 8. reporter: with billions of dollars on the line, commitments from banks