He was just playing to the viewable press how much love and compassion he has for children, he isn't sexaul assaulting them or touching them in a overly inappropriate way.
Politicians seem to always make themselves publicly known how much they love babies and children, its a bit of self promoting old school style that just about all politicians seem to do, well at least the older politicians at least.
He certainly didn't say " Well when your a celebrity you grab woman's Pu...s " like what Trump said and he did have sex with a porn star while he was married either.
He also didn't say woman should be in the kitchen at home looking after their husbands and children like what the Trump said, a very misogynistic statement to be sure.