Las Vegas Review Journal – Las Vegas continued its record pace for visitor volume in April as the Las Vegas Convention and Visitors Authority on Wednesday reported 3.5 million came to Southern Nevada, a 3.5 percent increase over April 2013. The city is now 4.8 percent ahead of 2013’s record clip with 13.7 million visitors in the first four months of the year. Nearly every measure of visitor activity except convention and convention attendance was higher in April than the previous year. Citywide occupancy was up for hotels and motels, weekend and midweek and Strip and downtown. The average daily…