2020 Democrats

The 77-year-old native of Scranton, Pa., spent more than 35 years in the Senate before being tapped as Obama's VP.

“We are in the battle for the soul of this nation."

Key issues and proposals:

•Increase public school funding, raise teacher pay, implement universal pre-K

•Invest $1.7 trillion in gov't funds over 10 years to reach net zero emissions by 2050

•"Build upon" ACA; supports Medicare public option

The 38-year-old representative served in Iraq and Kuwait in Hawaii’s Army National Guard.

"I will bring this soldier's principles to the White House."

Key issues and proposals:

•Has not released proposals as a presidential candidate

•Supports "universal health care," criminal justice reform, combating climate change

•Restore the Iran nuclear deal and work to prevent "unnecessary costly wars"

The 77-year-old political independent ran for the Democratic presidential nomination in 2016.

"Our campaign is about creating a government and an economy that works for the many, not just the few."

Key issues and proposals:

•A Medicare for All, single-payer program

•Raise the federal minimum wage to “at least” $15

•Make public colleges, universities and trade schools tuition free