Two of the most potent names in South Carolina politics could be going head-to-head on ballots for statewide office next year. Michael Hollings, son of retired U.S. Sen. Fritz Hollings, told The State on Monday he will seek the Democratic nomination for lieutenant governor — setting up a potential clash with Republican Mike Campbell, son of former Gov. Carroll Campbell. Fritz Hollings retired last year after 56 years in public office as a state legislator, governor and U.S. senator. Carroll Campbell — a former state legislator, congressman and governor — is credited with rebuilding the Republican Party after decades of...