There’s a new entry in the category of no-brainers: A holder of Barclays American Depository Receipts has brought the first of what is sure to be a string of Libor-related securities fraud class actions. The 47-page complaint, filed by Wolf Haldenstein Adler Freeman & Herz in federal court in Manhattan, asserts that Barclays and its former CEO, Bob Diamond, and outgoing chairman, Marcus Agius, lied to shareholders when they failed to disclose the bank’s manipulation of reports to the authorities who calculate the daily London interbank offered rate (or Libor), a benchmark for short-term interest rates.