In an interview on Wednesday in Colorado, Republican presidential candidate Mitt Romney grew frustrated with KCNC reporter Shaun Boyd when she asked him a viewer’s question about medical marijuana (after she had pressed him on the issue of same-sex marriage).

Romney was still talking about the incident on Thursday and, on Friday afternoon, it was at the center of an on-air argument between MSNBC anchor Tamron Hall and Washington Examiner columnist Tim Carney (video above). Read more