Julian Castro in PBS News Hour

On Abortion: Allow abortions after 20 weeks of pregnancy

On Education: Two free years of higher education

• Education: Establish universal pre-K education. Provide two free years of higher education.
• As mayor of San Antonio, Castro convinced voters to raise taxes one-eighth of a cent to create the city's pre-kindergarten program for four-year-olds.
• He supports "universal pre-kindergarten" nationally and would like to make the first two years of higher education free.
• He has not yet offered specifics on his plans.

On Energy & Oil: Rejoin the Paris Climate Treaty

Castro has criticized President Donald Trump for withdrawing from the Paris climate change accord.
• Castro's overall approach in public office was to try to convince businesses to increase their reliance on renewable energy voluntarily.
• While he was mayor of San Antonio, the local utility committed to close a coal plant and embrace a 20 percent renewables goal.
• It is not clear if Castro supports a carbon tax or "cap and trade" policy to reduce carbon emissions.

On Free Trade: Renegotiate NAFTA

On Gun Control: Ban assault weapons

• Gun control: Require universal background checks, ban assault weapons.
• A longtime gun control advocate, Castro has pushed for renewing the assault weapons ban, limiting high-capacity magazines and requiring background checks at gun shows.

On Health Care: Medicare for all, paid for by tax on wealthy

• Health care: Create a universal health care system, "Medicare for all."
• Castro has called for "universal health care," also referring to it as "Medicare for all."
• He indicated he would consider paying for such a system by raising taxes on corporations and on the wealthiest "0.05, 0.5 or 1 percent" of Americans.

On Immigration: Secure the border by using technology, not a wall

• Immigration, ICE and the border: Allow a path to citizenship for most undocumented immigrants. "Reconstitute" U.S. Immigration and Customs Enforcement (ICE).
• Castro supports comprehensive immigration reform, including a path to citizenship for most of the estimated 11 million undocumented people in the United States.
• Castro opposes Trump's border wall plan, and instead has proposed securing the border by using technology and a more efficient legal immigration process.
• When asked if he thinks ICE should be abolished, as some Democrats argued in the run-up to the 2018 midterms, Castro told Bustle he thinks the agency needs to change its culture and be "reconstituted."

On War & Peace: Withdraw US troops from Syria

• Syria: Withdraw U.S. presence over a planned period of time.
• In an appearance on NBC's "Meet The Press" last month, Castro said it was "time for us to pull out of Syria," but insisted it must be on a planned timeline.
• He criticized Trump's sudden announcement of a potential withdrawal as "not the way it should be done."