Before our science topic of this Wednesday, first the latest in the politics of the USA. About Trump reciprocal taxes and Liberation Day, let's start by being realistic.  The U.S. has a sizable trade deficit every year mostly because our exported products are too expensive.  Start with a simple matter of what it costs to produce anything.  Unions are part of the problem, too, but workers here get paid from $30 to $40/hour in many industries.  That is what is earned by employees in China...but per day.  And that's high, for here is what is the  monthly wage in these Asian countries per month :  China $193-332, Vietnam $107-$156, India $74-$223 and Cambodia $122. In the Rose Garden at 4:10PM EDT today, you can yourself  watch President Donald Trump's Liberation Day remarks : Tariff speech shared some facts, exaggerated a lot, downright lied here and there, and continues the process of screwing up the best current economy of the world, ours. There wi...