There are signs of a broader political shift under way, one that raises the prospect of a Republican primary electorate even friendlier to Donald Trump and Trump-allied candidates.When Diane Tyson got her driver’s license renewed Jan. 5, a DMV clerk asked whether she wanted to make any changes to her voter registration. A lifelong Republican, Tyson once ran for local office near Reading. She decided to wait: Supporters of Donald Trump were set to descend on Washington the next day as Congress met to certify his election loss.“I wanted to see if it would be as ugly as it turned out to be,”...…There are signs of a broader political shift under way, one that raises the prospect of a Republican primary electorate even friendlier to Donald Trump and Trump-allied candidates.When Diane Tyson got her driver’s license renewed Jan. 5, a DMV clerk asked whether she wanted to make any changes to her voter registration. A lifelong Republican, Tyson once ran for local office near Reading. She decided to wait: Supporters of Donald Trump were set to descend on Washington the next day as Congress met to certify his election loss.“I wanted to see if it would be as ugly as it turned out to be,”...WW…