Established and street vendors in Playas de Tijuana are looking to warmer days and the peak vacation season to recover from a steep drop in sales earlier this year. With work on the boardwalk temporarily paused and a stretch of cloudy weather keeping tourists at bay, many local businesses reported declines of up to 80 percent. As summer heats up and families plan weekend trips, vendors say foot traffic is finally showing signs of life. Playas de …