Tim Geithner has undoubtedly become one of the top advisers in the Obama administration — not just in the Treasury, but in the Obama White House. While he and I disagree on a host of key policy issues, I loved the back-and-forth exchange we had during yesterday’s interview. Incidentally, Mr. Geithner stated that the Obama administration hopes to keep the top tax rate on dividends and capital gains capped at 20 percent. Be thankful for small blessings.