EXCLUSIVE: Harvey Keitel patiently taught son Roman and some friends to play ping-pong on a table in Battery Park on the Fourth of July. Roman grew increasingly frustrated and almost began to cry, putting his head down on the table in defeat at one point, but recovered and was able to hit the ball across the net. Pictured: Harvey Keitel and son, Roman Ref: SPL192689 040710 EXCLUSIVE Picture by: Lawrence Schwartzwald/ Splash News