tonight, donald trump is riding high. declaring six months to the day he announced he's running for president. trump arriving at a rally in arizona this afternoon, descending from his private plane into a big crowd of jubilant supporters where we don't often use but a fair one in this case. jeff zeleny is "outfront" from mesa, arizona. >> reporter: donald trump taking air trump on a self-declared victory lap in arizona. >> i love you. i love you, folks. >> reporter: a dramatic entrance for trump who standing tall after the final republican debate of the year. made clear that the gop field is clarifying. it's now trump and a scrappy fight for his alternative. >> you know, they used to talk about the silent majority. we're not silent anymore, folks. >> reporter: he emerged without a scratch and showed today he's still dominating the race.