Related Clues:

• Not easy to understand
• Terrible drama, with clues being hard to fathom
• Sort of bomb with uranium going up in clouds?
• Sort of family that puts its head back in the clouds?
• Obscure item for burning, covering destruction of slum area
• Nuclear output up in the air
• Nuclear explosion not easily explained
• Relation with a right to be less than explicit
• Obscure pawnbroker turned painter
• Not certain if Sam has gone to Arabia
• Relation has a first refusal that's hard to fathom
• Confused relative's a Republican
• Not fair: that's ambiguous
• Pawnbroker once had a right to be less than explicit
• Article penned by aunt's husband Rex is not easy to understand