Former President Donald Trump has made it official: He is running for president for the third time. But this time he faces significant opposition from within his own party, as more and more Republicans see him as a drag on their general election chances.

For more, KCBS Radio's Doug Sovern, Patti Reising and Bret Burkhart spoke with Kamy Akhavan, executive director of the USC Dornsife Center for the Political Future and an expert on political polarization.