Between Gove, Johnson and May I'd say Gove (even though I'm not a big fan) would be the best person to re-build the UK. He's not loony like Boris and unlike Theresa he is a committed Eurosceptic, so he will quickly trigger Article 50 and hopefully getting us out of this unstable mess.
I'd rather Gove or Boris (

) before May, but it's looking like she will be the next PM, right?