you get mustard on your face, try it and find out
Available at Wegmans, if you have them down there. Otherwise order form the internet.
The parable of the mustard seed can be found in the book of Matthew, chapter 13.
I couldn't find creamy foods specifically. However the fear of eating is called phagophobia.
If you are ever in a grocery store, a trip past the shelves the mustard is displayed on will give you a look at them. Prepared mustard is just the "regular" stuff that comes in plastic bottles. A link is provided to French's. They have long made prepared mustard. Find the link on the left that is "French's Mustard" and it will take you to the product page where the bottles are pictured.
yes
Because only you only find mustard on hamburgers in the hinterlands. We don't do it in civilized places like New York.
Not that I know of... but to find out look in the ingredients
At any grocery store
There is now a movie "Grain Of A Mustard Seed" produced by Christian Cinema Productions. You can find it at christianccp.com
+Texarkana+"chiili dog"-"mustard"
Although I was unable to find a definite answer after reading the article on the battle, there were a few references to mustard gas (Sulfur Mustard), so that would be my guess.