A multimillionaire businessman entered the GOP race to challenge Sen. Robert C. Byrd on Wednesday, hoping to deny the 88-year-old incumbent Democrat a record ninth term. John Raese, 55, said he would campaign on a platform touting free enterprise ... a rebirth of capitalism... The National Republican Senatorial Committee heralded the filing by Raese, a former state GOP chairman who has sought office before. Though four other Republicans are running in the party primary, the GOP committee called Raese "the first financially credible opponent Byrd has faced since 1982." Raese's last major foray into election politics came nearly 18 years...