The American veteran Serena Williams has been the most decorated player of the Open era with 23 Major titles. Still, Serena believes she should have been on 30 or 32, missing many opportunities to add more trophies to her tally and leave Margaret Court and all the others far behind.Serena has not played since the last year’s Wimbledon, dealing with injuries and finding it hard to make a return. The 23-time Major winner decided to skip the season’s first Major event in Australia, missing the action at Melbourne Park for the sixth time in her career.Serena wrapped up the previous season outside the top-40 for the first time since 2006, playing only six tournaments this season and reaching no Major finals. The American vet …