polics>>here's araidences onor o uerstan the cuen re r gn stksdoecatnhathfen polo-term hg sggh, grme d te ocbeb. bolu jan. > bi f t vey. > sp dblhet' e d eirefr thesssmenpan' growi d and tonge dentedmi growth. another key negative factor is the country's political uncertaiy. withapan now having its fifth f years, ogawa says the could face rough roads ahead in implementing growtd reoring fis. unless the government tackles these issues, ogawa says the nation's sovereign credit could. >> there might be a potential risk of the sudden increase of the interest cost of the government. or in worst case scenario japan might have the close to default or actual default situation. ply the size of the igh and the interest cost getting too high for the government to be able to repay on timing. >> reporter: ogawa also says japan needs to find ways to spur growth witho fiscal stimulus. coo utilize the bestt we need to sectors,money, because the government is having a lot of fiscal deficit, so the financial flexibility is rather limited. in a sense that if the government allowed to have more deregulations oucra