Crossword puzzle clue "button often seen with a"

Button often seen with a "+"

"Kiss Me, I'm ___" (button often seen on St. Patrick's Day)

Something often seen on a street corner, briefly ... or, literally, something seen in each corner of this puzzle

Button that's not a button

"The Hardest Button to Button" The White ___

Button usually seen on the left

Spiro who wrote, "If you've seen one city slum, you've seen them all"

Springsteen "If you've ever seen ___ trick pony then you've seen me"