Run, Hillary, run, say Senate's Dem women

Anne Wernikoff

All of the Senate's Democratic women have reportedly signed a letter throwing their support behind Hillary ClintonHillary Rodham ClintonToomey: 'No reason' Trump supporters shouldn't back me WATCH LIVE: Trump delivers 'first 100 days' speech in Gettysburg Dylan's 'Jokerman' a metaphor for Election 2016 and more MORE's expected bid for president in 2016, the latest indication the former secretary of State would clear the field if she ran.

According to Capital New York, Sen. Kay HaganKay HaganPhoto finish predicted for Trump, Clinton in North Carolina Are Senate Republicans facing an election wipeout? Clinton's lead in NC elevates Senate race MORE (D-N.C.) told a gathering of Democratic women hosted by EMILY's List of the letter.

“All of the Senate Democratic women have written her a letter encouraging her to run,” Hagan said at the Monday event.

Hagan said she does, indeed, support a potential Clinton presidential bid, a shift from 2008 when she avoided backing either Clinton or then-Sen. Barack ObamaBarack ObamaObama promotes new airline regulations Is Georgia turning blue? Five takeaways from money race MORE in the Democratic primary.

According to ABC News, the letter was organized by Sen. Barbara BoxerBarbara BoxerCalifornia House Republicans facing tougher headwinds House and Senate water bills face billion difference Boxer, Feinstein endorse Kamala Harris in two-Dem Senate race MORE (D-Calif.) as a "private show of support" for their former colleague.

The former secretary of State has not yet decided on a run, but Democrats expect her to enter the race and largely clear the field.

The reported letter is the latest indication that Clinton's candidacy would likely dissuade other contenders from running.

Sens. Kirsten GillibrandKirsten GillibrandMusic streamer Spotify joins Gillibrand’s push for paid family leave Gillibrand proposes sexual assault reforms for Merchant Marine Academy Podesta floated Bill Gates, Bloomberg as possible Clinton VPs MORE (D-N.Y.), Amy KlobucharAmy KlobucharGreat Lakes senators seek boost for maritime system Podesta floated Bill Gates, Bloomberg as possible Clinton VPs EpiPen maker to pay 5M to settle overcharging case MORE (D-Minn.) and Elizabeth WarrenElizabeth WarrenSchilling lashes out: 'I'm apparently an anti-Semite' for asking questions Curt Schilling to Jake Tapper: How can Jews be Democrats? Small donors aren’t revolutionizing Congress. At least not yet. MORE (D-Mass.) have all been mentioned as possible Democratic contenders, but if they've signed onto the letter, that signals they'd step aside for Clinton. 

At least one female senator, Claire McCaskillClaire McCaskillMcCaskill offers Trump 'Mean Girls' advice Trump's taxes bump Miss Universe from headlines Dem on NYT report: Trump 'walks away with a golden ticket' MORE (D-Mo.), has already announced she'd support a Clinton presidential bid, backing the pro-Clinton super-PAC Ready for Hillary.

Hagan, Clinton and Boxer's offices did not respond to a request for comment.