It may be a cultural thing:
	Quote:
	
	
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				STAMFORD, CONN.--Mott's clamato brand and Anheuser-Busch partner for a Hispanic promotion themed, "Es Hora de Celebrar" (It's time to celebrate), that marks Mexican Independence Day on Sept. 16. The effort builds on the popularity of red beer, a blend of Clamato and beer, which Hispanics consume at parties, festivals and family gatherings.
			
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 from 
here