Trump, Republican leaders hold 'positive' talks in Washington

Presumptive Republican nominee Donald Trump fell short of winning an endorsement from House Speaker Paul Ryan Thursday but both men said they had taken a "positive step" toward unifying the party behind the billionaire's remarkable White House run. Trump, facing a critical early test of his general election candidacy, met with Ryan to air their differences, and with other Republican leaders. In a joint statement afterward, Trump and Ryan called their meeting a "positive step toward unification"