Conservative radio host grills Chris Christie: 'What's the difference between you and Bernie Madoff?'
New Jersey Governor and probable 2016 Republican presidential candidate Chris Christie speaks at the First in the Nation Republican Leadership Conference in Nashua, New Hampshire on April 17, 2015. Photo by Brian Snyder for Reuters.

TRENTON — Gov. Chris Christie's two-day trip to New Hampshire this week hasn't been all handshakes and hugs with prospective supporters. Conservative talk radio host Howie Carr got in a somewhat heated exchange with the governor over Christie's proposal to reform Social Security. "I'm older than you are. I'm 63. I started paying into this program…