Causes of Abnormal Mucus in the Stool. Examples of conditions that can be responsible for abnormal mucus in the stool can include Irritable Bowel Syndrome--including Ulcerative Colitis and Crohn's Disease (an extremely inflammatory condition)--infection and mechanical obstruction.
Assassination and Death. Four sitting Presidents have been assassinated while in office: Abraham Lincoln, James Abram Garfield (1881), William McKinley (1897-1901), and John F. Kennedy (1961-63).
There hasn't been an attempt on the life of a US president since Ronald Reagan was shot and survived in 1981. Four presidents have been killed. President Obama will travel in a specially constructed Â£300,000 limousine known as Cadillac One. An identical looking vehicle will be used as a decoy. It is known to Secret Service agents as The Beast and has bullet proof glass, armour plating and is hermetically sealed to withstand chemical weapon attacks.