Barney Frank Says He Tried to Save Signature Bank

WELLS, Maine — As we sort through the banking sector mess, perhaps no character has emerged (or really, re-emerged) with a higher profile than Barney Frank, which is curious for a number of reasons. For one thing, Frank was on the board of Signature Bank — closed by regulators on March 12 — which has, up to now, been a kind of sideshow next to failed Silicon Valley Bank or even the still-struggling First Republic Bank. And second, as a director of the New York bank, one might expect Frank to behave like almost all other directors, which is to…