Democratic National Committee Chairman Tom Perez Thomas Edward PerezClinton’s top five vice presidential picks Government social programs: Triumph of hope over evidence Labor’s 'wasteful spending and mismanagement” at Workers’ Comp MORE said Tuesday that his party could reschedule the first presidential primary debate of 2020 if the planned date conflicts with the Senate impeachment trial of President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE.

Perez told MSNBC that the flexibility is necessary given the number of Democratic senators running for the party's 2020 nomination.

"Well, Democrats and our senators can walk and chew gum," Perez said. "If there's a trial on the 14th, then we'll move the debate. If there's not, then we're going to have the debate."

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"At the moment, all systems are go," he added. "So we're going to move forward."

The debate is scheduled for Jan. 14 in Des Moines, Iowa.

Just a handful of candidates have qualified for the debate stage ahead of the state's first-in-the-nation caucus on Feb. 3. Among them are two senators who could be required to attend the Senate impeachment trial: Sens. Elizabeth Warren Elizabeth WarrenNo new taxes for the ultra rich — fix bad tax policy instead Democrats back away from quick reversal of Trump tax cuts It's time for newspapers to stop endorsing presidential candidates MORE (D-Mass.) and Bernie Sanders Bernie SandersSenate Republicans signal openness to working with Biden Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll Schumer, Sanders call for Senate panel to address election security MORE (I-Vt.).

Sanders and Warren are top-tier candidates in the narrowing field of White House hopefuls, with Sanders at or near the top of most Iowa polling.

Perez predicted on MSNBC that Democrats would see record turnout at the Iowa caucuses and during the general election in November.

"The energy is off the charts. We'll have record turnout in Iowa and throughout the Democratic caucuses and primaries. Folks are energized. You saw the energy over the last three years," Perez said.

Updated at 3:53 p.m.