Hazardous Duty (A Presidential Agent Novel)Colonel Charley Castillo is back in action.. Mexican drug cartels are shooting up the streets of Laredo and El Paso. Somali pirates are holding three U. S. tankers for ransom. Chaos reigns back in the fight. The President has had enoughhe needs to get hold of Colonel Charley Castillo and his merry band of fighters and put them on the case. Unfortunately, that might be impossible. Everybody knows that the President hates Castillos guts, having had him