Barbra Streisand has shared her 'regret' at selling off a painting by the legendary Austrian artist Gustav Klimt, after buying it in 1969 for just $17,000. A different piece by Klimt - the Portrait of Elisabeth Lederer - was sold by Sotheby's this Tuesday for $236 million, becoming the second most expensive painting ever bought at auction behind Salvator Mundi by Leonardo da Vinci. In the wake of the feverishly publicized purchase, Streisand wistfully shared the story of the Klimt she once let slip through her fingers. Streisand, 83, once owned his 1912 opus Ria Munk on her Deathbed, a...