Bernie Sanders: 'But Trump's erratic threats and trade policies are not the way to go.'

Bernie Sanders: 'We need to defend Israel’s right to live in peace and security, while at the same time, end the occupation and protect Palestinians’ right to security and self-determination.'

'One of the fundamental principles of our democracy is that everyone should get their day in court. Forced arbitration deprives Americans of that basic right.'

Keisha Lance Bottoms, mayor of Atlanta, Ga.: 'We have to get more people registered to vote. We have to actually turn out more people to vote.'

'And common cause, I think, can transcend partisanship and I think that's the way that we should go.'

'Families across the country need decisive action to strengthen their health and financial well-being, not more special interest giveaways and reckless threats from the President that threaten to sow chaos in our economy.'

Elizabeth Warren: 'We do not pass laws that take away that freedom from the women who are most vulnerable.'

Thirty years ago, after weeks of student-led protests, tanks rolled into Tiananmen Square in Beijing.

Republicans could be firing at each other on this issue for some time.

O'Rourke wants to see more substantive coverage.