BARCELONA - A professor from a Barcelona art school has staged a protest at a museum dedicated to Pablo Picasso intending to shed light on the Spanish painter's sometimes callous behaviour towards women. Maria Llopis and seven of her female students appeared at the Picasso Museum wearing t-shirts that read "Picasso, women abuser" and others that referred to Dora Maar, a French artist who is believed to have suffered abuse by Picasso during their relationship in the 1930s and 1940s. The protest last week echoed the global debate on men's treatment of women, led by the #MeToo movement, which includes...