The obvious name to put forward regarding changing sides is Boris Johnson but, none of our leaders can be compared to these 2 evil people.
And, as stated earlier, the problems will not stop if/when Putin dies.
Russia will simply have another evil dictator in charge who could even be worse.
This is why Europe has to stand together. We cannot let Trump divide us, (the UK from Europe.)
Whatever your views on Brexit, this is different. I didn't agree with a European army because we had Nato. Now we desperately need one.