Top leaders of the 26th Marine Expeditionary Unit said they were preparing to put boots on the ground in Syria during their eight-month deployment, which wrapped up last month. Col. Matthew St. Clair, the MEU commander, and Navy Capt. Jim Cody, who led the Kearsarge Amphibious Ready Group, spoke to a group of reporters at the Potomac Institute in Virginia on Thursday. When President Obama discussed a military strike in September against the Bashar al-Assad regime following an apparent chemical weapons attack on civilians, St. Clair said Marines were preparing for a situation that would require them to make landfall, according to U.S. News…