When the spittle settles and the political pugilists return to their ideological corners to rest from the wearisome battle of debating the presidency of one Donald J. Trump, each side is likely to mutter this maxim with regard to AmericaÂ’s new president: ThereÂ’s never been anybody quite like him. Of course, the statement is patently false. In fact, President Trump is so strikingly similar to a president who served over a century ago that the lack of acknowledgement just might disturb the temperamental ghost of one Theodore Roosevelt Jr. Consider the similarities between the two. Both presidents were born in...