The Illinois congressman, 27, is getting attention from paparazzi and politicos, and he's prepared to take full advantage of it. BY JAMES OLIPHANT Reporting from Washington -- He is the Republican Dream Date, a smooth-speaking, polished product of Illinois, as comfortable with Facebook as a face-to-face. John McCain's daughter gushed over him as the future of the party. He blogs for the liberal webzine Huffington Post, which said he sports the best abs in Congress. TMZ trails him like a pop star. And he is two decades younger than Barack Obama. Aaron Schock, 27, hasn't wanted for attention since being...