Colbert looms large in sister's S.C. race.
Scott Conroy of Real Clear Politics says that Mark Sanford's biggest obstacle is his challenger's famous brother.
OTHER NEWS SOURCES:
Poll: Support rising for Hillary Clinton in 2016
Hillary Clinton has hit a new high in support for a potential presidential run, The Hill's Alexandra Jaffe reports.
Obama: ‘No conflict’ between gun control and gun rights
President Obama on Wednesday argued there's “no conflict” between tougher gun control measures and protecting the right to bear arms, The Hill's Amie Parnes reports.