OKLAHOMA CITY – Republican Gov. Scott Walker of Wisconsin impressed conservative candidates in Oklahoma City Thursday, continuing the early wave of momentum he’s been building for months on the trail. Walker won the day as a trio of likely (but still undeclared) Republican presidential candidates argued that America needs them – and only them – in 2016. Three of the 10 likely or declared Republican candidates speaking at this week’s Southern Republican Leadership Conference took the stage Thursday amid local Oklahoma Republicans’ addresses to make their case to more than 1,000 southern activists. Read more on NewsOK.com