Half a century ago, Ronald Reagan, the man whose relentless optimism inspired me to enter politics, famously said that he didn't leave the Democratic Party; the party left him. I can certainly relate. I didn't leave the Republican Party; it left me.

Half a century ago, Ronald Reagan, the man whose relentless optimism inspired me to enter politics, famously said that he didn't leave the Democratic Party; the party left him. I can certainly relate. I didn't leave the Republican Party; it left me.