What is acrophobia?

Acrobat Charles Blondin crossed which North American landmark on a tightrope on June 30, 1859? An acromioclavicular (AC) separation is an injury of which joint? What is the accounting acronym that is the reverse of FIFO? The acronym KISS stands for "Keep it..." what, "stupid"? If you act bluntly and speak without thinking, you're said to shoot from where? Born in Dublin on October 16, 1854, which writer died in Paris on November 30, 1900? Act I of which 1875 opera takes place in a Seville square near a cigarette factory? Act I of which Best Musical for 1997 features an opening sequence called "The Launching"?