VP Pence jets into Seoul with Korea tensions high

Vice President Mike Pence will arrive in Seoul Sunday, flying into a geopolitical maelstrom amid a possible North Korean nuclear test and harsh US warnings about a military response.Pence's first visit to South Korea -- part of an Asia swing that also includes stops in Japan, Indonesia and Australia -- was conceived months ago, but could hardly come at a time of higher tension.In the last week, geo-spatial imaging showed North Korea possibly preparing a nuclear test, to coincide with the 105th a