Sen. Bernie Sanders Bernie SandersTrump, Biden will not shake hands at first debate due to COVID-19 Sanders tells Maher 'there will be a number of plans' to remove Trump if he loses Sirota reacts to report of harassment, doxing by Harris supporters MORE (I-Vt.) declined to pledge to serve a full six-year term if he is reelected this November, as is expected.

“Right now, my focus is on the year 2018, but if you’re asking me to make an absolute pledge as to whether I’ll be running for president or not, I’m not going to make that pledge. The simple truth is I have not made that decision. But I’m not going to sit here and tell you that I may not run. I may. But on the other hand, I may not,” he said at a forum Monday night in Vermont.

ADVERTISEMENT

“If I’m elected president of the United States? Mmm. Probably impossible to be a senator and a president at the same time. So the answer to that is probably no. But I haven’t made that decision as to whether I’ll run … If I run and win, the likelihood is I will not be Vermont’s senator” he responded when asked again if he would commit to serving a full term.

Sanders ran against Hillary Clinton Hillary Diane Rodham ClintonThe Memo: Trump furor stokes fears of unrest Bloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close MORE in 2016 for the Democratic presidential nomination. Though he lost, he lit a fire underneath the progressive wing of the party.

Should Sanders run in 2020, he would likely join a crowded Democratic field.

Sanders himself has visited crucial states in a presidential campaign such as Iowa, New Hampshire and North Carolina.

Other potential Democratic contenders in 2020 have also traveled widely, including former Vice President Joe Biden Joe BidenBiden says voters should choose who nominates Supreme Court justice Trump, Biden will not shake hands at first debate due to COVID-19 Joe Biden should enact critical government reforms if he wins MORE, Sen. Cory Booker Cory Anthony BookerSunday shows preview: Lawmakers prepare for SCOTUS confirmation hearings before election The movement to reform animal agriculture has reached a tipping point Watchdog confirms State Dept. canceled award for journalist who criticized Trump MORE (D-N.J.), Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.), and Sen. Kamala Harris Kamala HarrisPelosi: Trump Supreme Court pick 'threatens' Affordable Care Act What Kamala Harris' VP nomination means to us Harris slams Trump's Supreme Court pick as an attempt to 'destroy the Affordable Care Act' MORE (D-Calif.).