By Park Chan-kyong
America鈥檚 highest-ranking military officer has called for closer trilateral defence ties with South Korea and Japan in response to what he described as an 鈥渦nprecedented鈥 military build-up by North Korea and China.
The remarks by General Dan Caine, chairman of the US Joint Chiefs of Staff, come amid growing pressure on Seoul to shoulder more of the cost of hosting 28,500 US troops and to support their expanded role beyond the Korean peninsula 鈥 a move that could test South Korea鈥檚 willingness to…