It’s been quite a political journey for Scott Brown and his family, and that journey could very well come to an end in today’s N.H. 01 GOP primary. In 2010, Brown pulled off a stunning upset in Massachusetts, winning the Senate seat held by the late Sen. Ted Kennedy and ending the Democrats’ filibuster-proof majority. In 2012, he lost the Senate seat to Democrat Elizabeth Warren. In 2014, he switched states — from Massachusetts to New Hampshire — to challenge Sen. Jeanne Shaheen, D-N.H. He lost, but the issues he used in that campaign’s closing days (immigration, ISIS and Ebola)...