People cover their bodies with theatrical blood as they hold buckets with slogans to protest against bull runs in front of the City Hall on the eve of the famous San Fermin festival, in Pamplona, northern Spain, Tuesday. You write the cutline. (AP Photo/Alvaro Barrientos)

Weekend Winner: Nic, with 6 likes: Canada's Prime Minister can discuss quantum physics but he can't shake the hands of two different people at the same time. You can see the Weekend Photo and all Cutline Contest entries here.