The Independent: Warren Buffett, the billionaire investor who favours a greater burden on the wealthy, yesterday called for a minimum tax on America's millionaires but proposed a higher threshold for increased taxes on the rich than the one put forward by the White House.
Full story: http://www.independent.co.uk/news/business/news/buffett-calls-for-a-minimum-tax-on-americas-superrich-8353062.html