PBS News Hour S41 E79 April 20, 2016

Wednesday on the NewsHour, trailing presidential candidates vow to fight on despite big losses in New York. Also: Where the race for the White House goes from here, adding Harriet Tubman to the $20 bill, the Supreme Court considers controversial drunk driving laws, Memphis tries rooting out childhood trauma, the link between seafood and slavery and overcoming midlife ennui.