Former New Hampshire Attorney General Kelly AyotteKelly AyotteTen rumored Trump Cabinet picks who didn't get a job Sasse, Perdue join Armed Services Committee Avid pilot among GOP senators joining Transportation committee MORE (R) is in Washington today as she cues up a run for the Senate seat being vacated by Sen. Judd Gregg (R-N.H.).

The Hill's Walter Alarkon saw Ayotte walking with Senate Minority Leader Mitch McConnellMitch McConnellSenate confirms first nominees of Trump era The new Washington elite schmoozes over lunch Trump takes first official acts at signing ceremony MORE (R-Ky.) and National Republican Senatorial Committee (NRSC) Chairman John CornynJohn CornynSenate confirms first nominees of Trump era The new Washington elite schmoozes over lunch Top GOP senator warns of weekend work on Trump nominees MORE (R-Texas) this afternoon.

A source said she is "introducing herself to Senators, committee staff and others as part of the exploration process."