Sen. Ted Cruz (R-Texas) recounted his older half-sister's struggles with drug addiction and eventual death during an emotional speech Thursday. "These tragedies are happening in human lives all over this country -- it's the human journey," the GOP presidential candidate said at Emanuel Baptist Church in Hooksett, N.H., according to CNN. "It's fraught with peril and sometimes people make decisions bound and determined to destroy themselves. "As a family you wonder: What could I have done more? Was there a way to change the path she was on? Those are the questions you never fully answer." Cruz was describing Miriam...