Could be plastic surgery or a camera lens filter. When HRC did appearances, cameramen used filters to hide her face's wrinkles and imperfections making her look much younger.
Pickle - military slang for when an aircraft releases a bomb or missile usually at an intended target. Pilots call the button to release their weapons a "pickle button."
https://books.google.com/books?id=qX5aDwAAQBAJ&pg=RA1-PA1337&lpg=RA1-PA1337&dq=%22pickle+button%22&source=bl&ots=WhO-vqUdun&sig=DrEiRzWhK2Y_bPrU-U3F8jrg390&hl=en&sa=X&ved=0ahUKEwiLp6H59YbbAhUquVkKHTc5DeY4ChDoAQhaMAk#v=onepage&q=%22pickle%20button%22&f=true