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 ClintonFranken emerges as liberal force in hearings SNL honors Obama with emotional musical tribute Trump: Why didn't protesters vote? 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 Hagan Former Sen. Kay Hagan in ICU after being rushed to hospital GOP senator floats retiring over gridlock 2016’s battle for the Senate: A shifting map 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 ObamaCrowd experts: Women’s march three times bigger than inauguration Women's march was second-busiest day in Metro history Conway: Spicer used 'alternative facts' in press briefing MORE in the Democratic primary.

According to ABC News, the letter was organized by Sen. Barbara BoxerBarbara BoxerFeinstein to hold campaign fundraisers, a hint she'll run again Becerra formally nominated for Calif. attorney general 10 freshmen to watch in the new Congress 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 GillibrandWomen's marches draw huge crowds as Trump takes office Lawmakers join women's marches in DC and nationwide Women's march takes over DC MORE (D-N.Y.), Amy KlobucharAmy KlobucharFranken emerges as liberal force in hearings Justice requires higher standard than Sessions Booker is taking orders from corporate pharmaceuticals MORE (D-Minn.) and Elizabeth WarrenElizabeth WarrenFranken emerges as liberal force in hearings Women's marches draw huge crowds as Trump takes office Warren: 'I'm here to fight back' 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 McCaskillWashington Post reporter compares DC rioters to Boston Tea Party Dem senator: Violent inauguration protesters ‘disgusting’ Five things to watch for in Mnuchin hearing 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.