A Chinese national flag flutters at the headquarters of a commercial bank on a financial street near the headquarters of the People's Bank of China, China's central bank, in central Beijing November 24, 2014. REUTERS/Kim Kyung-Hoon (CHINA – Tags: BUSINESS POLITICS) Acquire Licensing Rights TINOS, Greece, Oct 2 (Reuters Breakingviews) – “When bad folks have problems, they do bad things.” So said Joe Biden in August when speaking about how China was a “ticking time bomb” because of its economic troubles. Experts are downgrading the country’s full-year growth target below an official 5% goal. But last month when in Vietnam,…