Graham, McCain in Vegas tonight for event with the Adelsons

The Two Amigos (Kelly Ayotte is not with them) are in Las Vegas tonight for an event at -- where else? -- The Venetian.

Sens. Lindsey Graham and John McCain are being feted by Sheldon and Miriam Adelson.

It's a fundraiser for Graham with McCain billed as "the special guest."

Invite attached.