At a Glance A USGS biologist spotted a small algae bloom on Florida's Lake Okeechobee this week.Some scientists are concerned that it might mean a repeat of last year's disastrous algae bloom that closed beaches along Florida's coast.But others say it's too early to tell. Scientists are concerned that a small, blue-green algae bloom spotted this weekin Florida's Lake Okeechobee could mean a repeat of last summer's emergency that killedmarine life and closed beaches along the state'sAtlantic coast. Barry Rosen,...