"It makes you wonder. What are we hiding?" Democratic candidate Julian Castro said.
With so many candidates, it will be difficult to keep score in any traditional sense.
"Trump is living in a parallel universe. He is way out of touch with ordinary people. He must be defeated," one candidate said.
Kirsten Gillibrand said she considers the NRA the "worst organization in this country." But the presidential candidate once felt very differently about the gun advocacy group.
"LGBTQ people deserve to live, work, raise families, and succeed just like anyone else ," Gillibrand wrote.
"I am gravely concerned that this administration continues to not take this seriously," the Democratic senator and 2020 contender said. "And those statements are highly inappropriate."
Officials have blasted the use of Assata Shakur's words. But activists say she is a leader.
"President Trump is tearing apart the moral fabric of our country," the senator will say. "He demonizes the vulnerable and he punches down."
"We're building a campaign that will change who's at the decision-making table, take on powerful interests and restore moral integrity to the White House," Gillibrand said in her launch video.
The former congressman from Texas highlighted that there are "so many extraordinary women who are running right now."
Outraged responses poured in through social media after the network failed to include women or minorities in a list of potential candidates.
Senator Cory Booker from New Jersey on Friday tweeted that "we can do this" in reference to the Green New Deal, while Senator Kirsten Gillibrand from New York announced last week that she would be "co-sponsoring" the resolution.
"They certainly weren't empathetic, and they were not kind," Democratic Senator Kirsten Gillibrand of New York said of her past views on immigration.
"While I still firmly believe in its values and mission, I cannot associate with the national march's leaders and principles, which refuse to completely repudiate anti-Semitism and all forms of bigotry. I cannot walk shoulder to shoulder with leaders who lock arms with outspoken peddlers of hate."
The New York senator will have to fend off competition from fellow Democrats Elizabeth Warren, Tulsi Gabbard and Julián Castro, who have already announced their bids.
New York Democratic Senator Kirsten Gillibrand vowed to take on institutional racism and "corruption and greed in Washington."
A considerable number of GOP respondents in a poll expressed that they would not be comfortable seeing a woman in the Oval Office.
"I hope someday we have a woman president," Democratic Senator Kirsten Gillibrand of New York said.
"Not sure this is a winning platform but you be you," Trump Jr. tweeted.
"I've been thinking about it because what President Trump has been putting into this country is so disturbing, so divisive, so dark that I believe I've been called to fight as hard as I can to restore that moral integrity, that moral decency. So I'm thinking about it."
National Rifle Association spokesperson Dana Loesch struck out at several female U.S. senators for "matriarchal insane attacks" over their abortion rights opposition to Brett Kavanaugh's SCOTUS confirmation.
"We are concerned that the safety of the children in this case could be seriously undermined," Gillibrand and Representatives Joseph P. Kennedy and Niki Tsongas wrote.
Now that GOP senators are coming out in support of legalization, Democrats may be playing a game of catch-up that could have consequences at the polls.