Cherries & Mixed Berries Crumb Pie

"Usually made with tart cherries which are in season around Independence Day?? the cherry pie has been called ??America??s pie? due to its strong association in history within the United States. Due to the fact that fresh cherries must be pitted before baking, cherry pie is typically not made by novice bakers, although, the strong contrasting sweet, sour and tart flavors make the pie a favorite.As tart cherries can be difficult to come by, sweet cherries can be used in their place the color will be not as red and the flavor will not be as pronounced, however. If you are pitting the cherries yourself, be careful not to crush the pits; pits and seeds from members of the rose family including cherries?? bear a minute amount of cyanide, which could be dangerous to those with compromised immune systems and to the young and the elderly...."