The SS Officer is blocking access to the LEOs weapon until Obama has passed by.
Get much security ed? Let this be lesson 1.
Sorry Candor, you’re wrong on this one.
The SS officer was just naturally swinging his arms as he walked by. You can see on this pic, which was taken one or two steps after your posted pic, that the SS offier is not blocking access to LEOs weapon - just walking by:
http://4.bp.blogspot.com/_2b_SPCr78uQ/TFqXFlRh17I/AAAAAAAARxE/KNMFPGyx3U4/s1600/potus+ge.jpg