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By Emily Flitter BEDFORD, Ind. (Reuters) - On a day when his U.S. presidential bid could suffer a mortal blow, Ted Cruz became embroiled in a name-calling contest on Tuesday with Republican front-runner Donald Trump whom he described as "a pathological liar" in one of the most bitter exchanges in the White House campaign. Cruz, Trump's main rival, has been counting on a win in Tuesday's Indiana primary to slow the New York billionaire's progress toward the nomination. Campaigning in Evansville, Indiana, Cruz sounded deeply frustrated by the bombastic real estate mogul.
WASHINGTON (AP) — Washington's subway system did not make meaningful safety improvements between a deadly collision in 2009 and a fatal fire in 2015, and some of the safety problems date back to the system's first fatal accident in 1982, federal investigators said Tuesday.
SAN FRANCISCO (AP) — Afeni Shakur, the former Black Panther who inspired the work of her son, rap icon Tupac Shakur, and then fostered his legacy for decades after he was slain, has died, authorities said Tuesday. She was 69.