McClatchy reports: A group of white nationalists and skinheads who held a rally in Sacramento over the weekend where at least five people were stabbed plans to show up at the Republican National Convention in Cleveland next month to “make sure that the Donald Trump supporters are defended.”

The violent clash at the California state Capitol accentuates concerns about the Republican National Convention, with political tensions high and thousands of pro- and anti-Trump protesters expected to descend on Cleveland.

“I think everybody is concerned about the potential for violence at the convention,” said Ryan Lenz, senior writer for the Southern Poverty Law Center, which tracks extremists and hate groups. [Continue reading…]