washington republican veteran newt gingrich rule wednesday possibility could persuade serve presumptive nominee donald trump vice presidential run mate say trump plenty talent consider would certainly talk gingrich tell fox news channel sean hannity turn automatically gingrich persistent subject speculation possible trump run mate former speaker house representatives meet one trump main requirements job someone could help steer legislation congress gingrich run republican presidential nomination 2012 lose eventual nominee mitt romney serve informal adviser trump say narrow list potential pick five six gingrich say fox interview former texas governor rick perry ohio governor john kasich would strong selections position kasich end presidential run last week emphatically rule serve trump perry say would will consider endorse trump speculation also center around trump former rival like u.s. senator marco rubio florida say week interest new jersey governor chris christie strong backer trump person around gingrich say suggest could good choices position note would advantage trump run mate could help win voters particular region country former congressman georgia gingrich live washington d.c. suburbs years still say would will consider column gingrich say gingrich n't rule trump vp role