I’m about to go to uni to study psychology — should I reapply to a harder subject?

I’m about to go to uni to study psychology — should I reapply to a harder subject?
In the latest instalment in our Career Conundrums series, one aspiring solicitor wonders whether his ‘soft subject’ degree choice will hold him back. “I am currently an A-level student, who, after university, aspires to work at a commercial law firm.
I’m about to go to uni to study psychology — should I reapply to a harder subject?