By Bill Gertz - Several Republican members of Congress yesterday called for a Treasury Department probe into whether Pentagon computer networks will be compromised by the merger of a U.S. network-equipment maker and a Chinese firm with links to Beijing's military. Senior Pentagon officials, meanwhile, are investigating the security aspects of the announced plan for China's Huawei Technologies and the investment firm Bain Capital Partners to buy 3Com, which makes equipment used by the Pentagon to block computer hackers, including those from the Chinese military. Bain Capital announced last night that it will submit the $2.2 billion deal for review...