This program is 29 minutes long
(South Carolina: Jonathan Karl) Breaking news on the threat from presidential candidate Donald Trump he might sue Ted Cruz because he was born in Canada examined; Trump Tweet quoted; scenes shown from Cruz TV ads & from BobJones University. [CRUZ - comments.] [Several times, TRUMP - uses bleeped out obscenities.] [Jeb BUSH - criticizes Trump.] [At Bob Jones, WOMAN - reacts to Trump swearing.] Tomorrow's Republican debate & what Cruz has to do discussed.
(Studio: David Muir) Report introduced.
(Greenville, South Carolina: Mary Bruce) The Democratic battle for African-American voters in South Carolina between Hillary Clinton & Bernie Sanders examined; scenes shown from Clinton ad featuring the church shooting & the Sanders ad featuring the New York City police shooting. [In debate, SANDERS - answers question about standing in the way of a women president.] [CLINTON - cites her experience.]
(New Rochelle, New York: Linsey Davis) The cold weather in the Northeast featured; scenes shown from New York, Minnesota, Pennsylvania. [In Buffalo, ABC's Indra PETERSONS@- cites the Arctic cold.]
(Studio: David Muir; New York: Rob Marciano) The dangerous cold weather discussed; weather & temperature maps shown.
(Columbus, Ohio: Alex Perez) A machete attack by a man. Mohammed Barry%, in a Columbus, Ohio, restaurant featured; scenes shown with 911 call played. [Victim "TRACY"; Columbus police dept. Deputy Chief Michael WOODS@- describe what happened.]
(New York: Eva Pilgrim) A possible link of the Zika virus to miscarriages examined. [CDC director Tom FRIEDEN@- wants to protect pregnant women.] [Zika victim Samantha MEJIA - comments on the concerns.]
(Studio: David Muir, Richard Besser) The Zika-related problems & a new test for Zika discussed.
(No location given: Diane Sawyer) The ABC News exclusive interview with shooter Dylan Klebold's mother presented. [Sue KLEBOLD% - talks about her son's behavior, letting it go, the shock about her parenting, the victims.] Why she decided to be interview now discussed.
(Studio: David Muir) Tonight's "20/20" announced.
(New York: Gio Benitez) An undercover investigation of Dollar General stores for misleading consumers by selling obsolete motor oil that can damage cars featured. [Oil user Joe WOODS - comments.] A statement from Dollar General defending the problem quoted.