Possible Clues:

• Utter confusion for US president
• First sitting president to visit the West Coast
• ''Shaft'' singer
• President called 'His Fraudulency'
• Gabby or Helen
• Place in Middlesex
• Elvin ___, 1960's-80's N.B.A. star known as 'Big E'
• Nineteen sixty four Olympic one hundred metres champion
• Reduced visibility, we hear, in part of London
• Mount ___, peak 90 miles SSE of Fairbanks