In the United States, banks are starting to separate their commercial and investment banking operations. According to banking analyst Meredith Whitney, there’s no need for any radical breakup as suggested by former Citigroup chairman Sandy Weill. Whitney is the founder of the Meredith Whitney Advisory Group. She said that any draconian moves to split up banks are unnecessary. Weill earlier told CNBC that he thinks it’s the right time to break up big banks to prevent a repeat of the large taxpayer...