Eugene Sheffer puzzle clues 2016 Jun 13

• Continuous source of amusement Crossword Clue
• Easy targets Crossword Clue
• In-flight Crossword Clue
• Laid down the lawn Crossword Clue
• Part of LAPD Crossword Clue
• Poppy drug Crossword Clue
• Singer Joel Crossword Clue
• 'Understood!' Crossword Clue