This is politics son. It’s a rough and tumble game. You either take out the competition or you lose - it’s as simple as that. It isn’t immature - Trump is head and shoulders above anything Obama has to offer or ever has had. Lighten up and enjoy the ride, You apparently need to check out some of the political attacks of years gone by - they weren’t nice.
Probably.....I guess I might feel differently if he were attacking Democrats with his snark, instead of giving them ammunition for the 2016 election.