Captioning sponsored by cbs this is the cbs evening news with scott pelley. Pelley this is our western edition. Hoosier running mate . That is the question for donald trump, and it could be the answer, as well. Tonight indiana governor mike pence is a leading candidate for the numbertwo spot in the republican ticket. Pence is 57, 13 years younger than trump, and he knows his way around washington. He served 12 years as a congressman. Heres major garrett. Reporter donald trump summoned his family from new york to meet with mike pence at the indiana governors mansion, their second facetoface encounter in two days. Trump then left for downtown indianapolis to huddle with other potential running mates as the Vice President ial vetting process drew to a close. First former House Speaker newt gingrich, who retired from congress in 1999 and ran for president himself four years ago. A close adviser, gingrich often tells trump hes leading a movement of historical significance. Trump also met wi