Former New Hampshire Attorney General Kelly AyotteKelly AyotteBattle brews over Trump’s foreign policy Battle for the Senate: Top of ticket dominates NH voters hold Ayotte accountable for gun control votes 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 McConnellTrump flirts with Dems for Cabinet Lawmakers eye early exit from Washington Confirm Scott Palk for the Western District of Oklahoma MORE (R-Ky.) and National Republican Senatorial Committee (NRSC) Chairman John CornynJohn CornynLawmakers eye early exit from Washington Victims of Nazi Art theft need Congress to HEAR Overnight Cybersecurity: Last-ditch effort to stop expanded hacking powers fails MORE (R-Texas) this afternoon.

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