The GOP is making a bold play for a U.S. Senate seat in reliably Democratic Oregon, where a Republican hasn’t been elected to a statewide office in more than a decade. Republicans back in Washington think they’ve found the right candidate in Monica Wehby, a children’s brain surgeon who’s raised more than $1 million and put her early opposition to President Barack Obama’s health care law at the center of her campaign. […] Wehby faces four other Republicans, most notably state Rep. Jason Conger of Bend, a lawyer who’s promoting his conservative credentials and his experience representing a district that,...