THE story of a US soldier who sacrificed his life for his comrades has moved US President George W. Bush to tears. When a grenade bounced off his chest and fell to the floor near his fellow troops, Petty Officer 2nd Class Michael Monsoor acted out of instinct. His actions didn't stem from a lack of training. His instant reaction was to protect his comrades. PO Monsoor was one of the US military's most highly trained combatants, a navy SEAL. The navy said he committed a selfless act by jumping on the grenade and taking the full force of the...