(The Politico) Pete Olson, a former chief of staff to Sen. John Cornyn (R-Tex.), is one step closer to serving in Congress himself. He handily defeated former Rep. Shelley Sekula Gibbs in a runoff to win the Republican nomination, and will be facing Rep. Nick Lampson (D-Texas) in what should be one of the GOP’s top pickup opportunities in November. With 89 percent of precincts reporting, Olson leads Sekula Gibbs 69 percent to 31 percent. Sekula Gibbs had narrowly led Olson in the first round of balloting last month, 28 to 24 percent, but failed to expand her base of...