...police K-9 officer Brian Valenti is in hot water after posting an offensive comment on Facebook related to Friday’s “die-in” protest at Publix, saying he hoped “some old lady loses control of her car in that lot.” Valenti, 45, posted the comment under a photo of David Hogg, the Parkland student and activist who organized the anti-NRA event. ....Valenti, who has been with the department 23 years, has taken the post down. But a woman who spotted and took a screenshot of his comment sent an email Saturday night to Coconut Creek commissioners and Police Chief Butch Arenal urging that...