Hong Kong’s capitalist system can only continue beyond 2047 if “one country, two systems” is fully applied and understood, the city's leader warned on Thursday.Chief Executive Carrie Lam Cheng Yuet-ngor told Hongkongers that attacking the governing principle which gave the city a high degree of autonomy put its liberal economic model at risk in the long run.Police arrest 10 radical Hong Kong protesters over pipe bomb plotThe agreement between Britain and China for the 1997 handover guaranteed…