steering

Can you give me a hand with this adjustment to my Creo Turbo? I noticed some play had crept in to my steering tube. Not major, but when clamping the front brake and applying forward force to the frame, I could see and feel a definite wobble. Maybe only a millimeter or two but definitely...

Lately I've been experiencing that steering the bike is getting more difficult on some rides. It kind of "sticks" to one direction and I have to use more force to steer. It's like the tires are sticking to the ground. If I stop and try it, no such stickiness happens. Any ideas of what this is...