Former Vice President Joe Biden Joe BidenThe Memo: Warning signs flash for Trump on debates Senate Republicans signal openness to working with Biden National postal mail handlers union endorses Biden MORE picked up an endorsement from The San Diego Union-Tribune on Monday, the day before California's primary as part of the Super Tuesday contests.

In an editorial, the paper pointed to Biden's centrist views on issues such as health care as crucial to winning independent voters in the general election this fall.

"The Democratic Party is embroiled in a civil war between progressives and moderates as it tries to nominate someone who can beat a president who reinvented the Republican Party — and not for the better — in his own image," the editors wrote.

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"It’s our belief only a centrist path can lead to the White House in an America in dire need of decency and divided over issues like immigration and health care," the editorial continued, adding, "Biden’s appeal as an elder statesman is obvious, and he leads in the overall popular vote now. Is he the best choice despite our earlier concerns? We think so."

The editorial goes on to take shots at Biden's closest competitor, Sen. 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.), who leads in the overall pledged delegate count following the first four primary contests.

"We can’t embrace what [former South Bend, Ind., Mayor Pete] Buttigieg calls Sanders' 'inflexible, ideological revolution,'" the editorial added.

Biden and Sanders look to be the main forces in the Super Tuesday contests across the country, with Sanders looking poised to win the California primary, according to most polls.