-snip- Elise Stefanik, a former aide to George W. Bush and adviser to Paul Ryan's vice presidential campaign, is only 29 but scored a landslide victory over Matt Doheny, 43, in Tuesday's GOP congressional primary in upstate New York. With help from Karl Rove's American Crossroads super PAC, a Paul Ryan campaign appearance and an endorsement from Mitt Romney, Stefanik nabbed 61% of the vote above Doheny's 39%.