Brett, Sandra and daughter Brenna Lusk of San Antonio made the day trip to Marble Falls to find a good vantage point for eclipse viewing."Even now, it's sort of overcast, but you can still see," Sandra Lusk said. "This turned out to be something more thanexpected.“We’ve never been to this town square," she added. "It's not too crowd - ed but there is plenty of people."The Lusks were among…