By Albert Breer Seattle’s rookies have made their presence felt at training camp thus far, and multiple look set to play prominent roles. RENTON, Wash. — There’s no NFL summer setting like this one, and on the day I was here the Blue Angels were flying around (that’s not a metaphor, they were here for an event called Seafair), the sky was crystal clear, and it was 80 degrees with no humidity on the banks of Lake Washington. There was some football out there, too … 1) Seattle’s corner situation is really interesting. Reclamation projects Artie Burns and Sidney Jones are getting the first crack …