No, one can mock or insult the President with impunity. The First Amendment applies here. It should be noted that in the 1790s, the Federalist-controlled Congress passed the Sedition Act which made criticizing the President or Congress a crime.
Polycystic kidney disease (also called PKD) causes numerous cysts to grow in the kidneys. These cysts are filled with fluid. If too many cysts grow or if they get too big, the kidneys can become damaged.
Okay. xkcd is a Stick Figure Comic by Randall Munroe. It is a gag-a-day comic, and generally does not have a continuing plot line or continuity (though there are occasional short story arcs).Many of the jokes are based on math, physics, UNIX and Internet memes, as well as romance and sex.kcd is a Stick Figure Comic by Randall Munroe. It is a gag-a-day comic, and generally does not have a continuing plot line or continuity (though there are occasional short story arcs).