Yang says Democrats need to articulate a vision for the country. "When we're talking about Donald Trump, we are losing to Donald Trump, even if it's in the context of talking about impeaching him."
The future of the party is being tested in a Massachusetts congressional primary, in which a challenge to a veteran Democrat has echoes of the upset of a party leader last month in New York.
The Vermont senator's organization was down to $5.8 million at the end of April as it bought ample ad time in California's TV markets. The campaign spent 43 percent more than it raised that month.
Hillary Clinton and Bernie Sanders sparred over Wall Street's influence on politics, which candidate is more loyal to President Obama and the record of Henry Kissinger as secretary of state.
This was as raucous a debate as we've seen from the Democrats. Bernie Sanders was the one in the spotlight this time and he was quick to the draw offering unapologetic defenses of his policies.
The third Democratic debate began with an apology from Sanders over news his staffers had improperly accessed Clinton campaign data. With the hatchet buried, a tepid debate ensued.
During their first debate of the 2016 race, the party's presidential hopefuls showed there's daylight between them on the issues of gun control and financial regulation.
