The acquisition of financial giant MoneyGram by a company with close ties to the Beijing government might be scuppered by rising fears that Chinese spies would exploit the data of American troops and their families to track military movements and identify targets to turn. The bidding war for Dallas-based MoneyGram pits China's Zhejiang Ant Small and Micro Financial Services - called "Ant" - against Euronet Worldwide, a Kansas firm that's American-owned.