After one month on the campaign trail - Donald Trump is still leading the Republican field according to recent polls.

The media has spent most of the last month fanning the flames around Trump’s inflammatory statements about immigration. And this weekend he conquered the headlines by saying that he likes “people who weren’t captured” while talking about John McCain’s service record.

If you want a glimpse of what the US would look like under President Scott Walker, you need to turn back the clock to one of the darkest periods in 20th-century US history: the Lochner era.

Here's a little history lesson, in case you don't know what I'm talking about.

The United States is home to five percent of the world's population, but we house 25 percent of the world's prisoners. That is just one of the reasons why President Obama is calling for sweeping reforms to our Justice System.

• TPP: It's the end of the world as we know it... do you feel fine?
• Why is racism considered patriotic?
• Neil McCabe, Gravis Insights/Townhall: Is the NRA's Wayne LaPierre going to burn in hell?
• Sam Daley-Harris, RESULTS/Reclaiming Our Democracy: The Bernie revolution is underway...