Today in History By The Associated Press Passion for exploration still drives 'Mythbusters' host By BRIAN BLAIR Homeless veterans learn more than piano from volunteer By MAUREEN C. GILMER Disagreement over the safety of electrical outlets By Barry Stone AstraZeneca says it will cut costs The Associated Press Spanish economy keeps up growth with 0.8 percent in Q1 The Associated Press Royal Bank of Scotland says net loss widens The Associated Press Protests break out as Trump speaks in Southern Cal By GILLIAN FLACCUS and AMY TAXIN Hawks confident heading into 2nd round rematch with Cavs By KYLE HIGHTOWER Blazers, Hornets can cap comebacks, Raptors also can advance By BRIAN MAHONEY