- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
{
    if ([text isEqualToString:@"n"]) {
        [self speakText];
        self.clearedText = self.textView.text;
        self.undoReady = YES;
        [self.clearButton setTitle:@"Undo" forState:UIControlStateNormal];
        self.textView.text = @"";
        [WANT TO MOVE CURSOR TO BEGINNING POSITION];
    }
}