Asma Khalid

More than 16 years after the U.S. invasion of Iraq, former Vice President Joe Biden is still struggling to explain his vote for the war and when his feelings about intervention evolved.

On Thursday night, during the third Democratic debate, which took place in Houston, Biden said he "never should have voted to give [President] Bush the authority to go in and do what he said he was going to do."

Massachusetts Sen. Elizabeth Warren introduced a sweeping gun control plan Saturday with the goal of reducing gun deaths by 80% through executive action and legislation.

"You've got to start with a goal. I haven't heard anybody else talk about a goal," Warren said in an interview with The NPR Politics Podcast. "What I've heard them talk about is here's one thing we'll do, and one thing we'll do, and one thing we'll do, and then we'll quit."

Before the first presidential debate last month, former Vice President Joe Biden's campaign signaled that he expected to be attacked by the candidates trailing him in the polls but that Biden would essentially ignore all incoming fire.

It was a classic front-runner approach. And it was punctured, hard and fast, by California Sen. Kamala Harris' attack on Biden's past opposition to federal busing policies.

Justin Krebs, a campaign director with MoveOn, isn't interested in hearing pundits debate which 2020 Democratic candidate is the most "electable."

"Because exactly four years ago right now there was a messy, crowded primary, with too many candidates, people who were totally unelectable, and Donald Trump was one of them and ended up winning," he pointed out.

And in the same vein, many Democrats thought Barack Obama was unelectable until he started winning primaries in 2008.

Progressive activists feel like this is their moment.

Their values are no longer seen as fringe ideas in the Democratic Party. Multiple presidential candidates are talking about "Medicare-for-all," reparations for slavery and bold action on climate change. And their ideas are driving the action on debate stages.

Now, as they gather in Philadelphia for the largest progressive convention of the year, Netroots Nation, they feel empowered as if this is their time to take over the party, push traditional Democrats aside and hold candidates accountable.

New Jersey Sen. Cory Booker, one of half a dozen Democratic senators running for the White House, is reintroducing a bill on Thursday that would fundamentally end the federal government's prohibition on marijuana.

When bipartisan immigration discussions pop up, Democrats often insist it's hard to find a solution because of the GOP's immigration evolution. The days of Ronald Reagan endorsing an amnesty program and denouncing walls are long gone, replaced by President Trump's talk of "rapists" and quest for a wall.

Given the historically large number of Democrats expected to run for president in 2020, the Democratic National Committee is preparing to host the first two primary debates, with each debate split into two consecutive nights to accommodate up to a maximum of 20 candidates.

The DNC announced details Thursday for the first two primary debates of the season.

The first debate, scheduled for this June, will be broadcast on NBC, MSNBC and Telemundo. The second debate, slated for July, will be broadcast on CNN.

More than three months after the widely criticized decision to release the results of a DNA test to prove her Native American ancestry, Sen. Elizabeth Warren, D-Mass., who is exploring a run for the presidency, has apologized to the Cherokee Nation, according to Julie Hubbard, a spokesperson with the Cherokee Nation.

In the spring of 2015, before Bernie Sanders had a campaign office in New Hampshire, Elizabeth Ropp, an acupuncturist, was making homemade signs for the Vermont senator.

"Bernie inspired me because as somebody who's lived without health insurance for most of my adult life, I want there to be a single-payer health care system," she said.

She was disappointed Sanders wasn't the nominee and is convinced that if he had been, Donald Trump would not be president.

"I want to see Bernie run again in 2020," said Ropp. "We need Bernie to run even if the field is crowded."

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