Trump is not being put on trial for lying per se. The lying however is part of the furtherance of a criminal conspiracy, which is illegal. So with regards to Bush, he can't be charged with lying to the American people. It can however be used as evidence against him if it was part of furthering a criminal conspiracy.
Another point to add. It is not illegal for anyone to lie, so unless he was testifying under oath, Bush could lie as much as he wanted without legal repercussions.
Well yeah, because representation and identification matters to people. If you've never had female leaders due to bigotry, of course there's an incentive to push for ones, otherwise gender equality will never establish itself. And it's not like there aren't plenty of good female candidates in general, so why not try to actively support one.
Just to be clear, Sweden harbored Jews during WWII and is the main reason why occupied Denmark had a much lower rate of killed than other occupied countries.
It's absolutely not helpless to change your habits. All our consumption is based on collective habits, and changing them will have an effect.