I find this picture somewhat humorous, as if the sharpness of the bayonet might influence the decisions of the protester. See more images from the protests in Egypt here.

Asmaa Waguih / Reuters
A protester touches the weapon of a soldier in downtown Cairo, January 30, 2011. President Hosni Mubarak, clinging to power despite unprecedented demands for an end to his 30-year rule, met on Sunday with the powerful military which is widely seen as holding the key to Egypt's future.