By Joseph Ax (Reuters) – Republican U.S. Senate candidate Kathy Barnette, a conservative commentator who entered the running ahead of Tuesday’s primary elections in Pennsylvania, was pictured walking towards the U.S. Capitol on January 6, 2021, alongside members of the far-right Proud Boys group, according to news reports. Supporters of then-President Donald Trump attacked police and stormed the Capitol in a failed attempt to stop Congress from certifying his 2020 election defeat to Joe Biden. Photos of Barnette from that day were uploaded by Chad Loder, who describes himself as an expert in information security and online extremism, and confirmed...