The official investigation of Hunter Biden’s dealings in China and elsewhere rests in the hands of David Weiss, a Trump-appointed federal prosecutor in Delaware, and the US justice department under Joe Biden’s attorney general, Merrick Garland. Politically speaking, we now have Red-Handed by Peter Schweizer, who would very much like to help us digest the business past of the 46th president’s troublesome son. Schweizer’s works include Clinton Cash, a compendium of opposition research that helped shape the presidential election in 2016. These days, he is president of the Government Accountability…