13: Clean drinking water helps prevent it
25: Former Iranian rulers
29: Hiding place for David Copperfield
33: Scrooge's exclamation
38: Most painful to the touch
41: They may accompany winks
46: 'You ___?' (Lurch's query)
50: Photo ___ (campaign events)
60: Class that teaches about the birds and the bees
61: 'Ballet Rehearsal' artist