Women in power ... More than 300 operatives from President Obama’s 2008 and 2012 campaigns are urging Elizabeth Warren to challenge Hillary Clinton for the 2016 Democratic presidential nomination. Picture: AP Photo/Carolyn Kaster. Source: AP

In an open swipe at Hillary Clinton, more than 300 operatives from President Obama’s 2008 and 2012 campaigns are urging the lefty Massachusetts senator to challenge Clinton for the 2016 Democratic presidential nomination.

Support ... Elizabeth Warren has said on numerous occasions that she is not running, Obama supporters are rallying for her candidacy. Picture: AP Photo/J. Scott Applewhite Source: AP

Their “Ready for Warren” site posted a letter Friday signed by the ex-Obama staffers.

“Rising income inequality is the challenge of our times, and we want someone who will stand up for working families and take on the Wall Street banks and special interests that took down our economy,” the group writes.

Ms Warren has said numerous times that she’s not running. But she also lifted her national profile this week by leading the charge against a $1.1 trillion spending bill because it stripped away trading restrictions on banks — nearly derailing it in the House, where it finally passed, 219-206.