Jason Cundy has a theory on what England boss Gareth Southgate is trying to do with Chelsea’s Cole Palmer ahead of the Euro 2024 tournament. Blues star Cole Palmer, 22, is now in Germany with England’s 26-man squad for the Euros competition. He’s joined by club teammate Conor Gallagher, too. The Three Lions kickstart their group stages on Sunday night versus Serbia. It’s Palmer’s first time at a major international tournament with the England senior group, but will he be thrown straight into the starting XI this weekend? In fairness, the Chelsea attacker started both of England’s warm-up match…