If Dell's Qualcomm-powered Copilot+ PC is typical of the genre, other PCs are toast
Despite amazing battery life and lovely speed, this one has flaws that may annoy
Desktop Tourism Across the 30 years I've used laptop PCs, they've always made me anxious about battery life. Dell's XPS 13 9345 Copilot+ PC powered by Qualcomm's Snapdragon Elite X is the first Windows PC to relieve me of that worry and let me confidently leave my desk for a full working day without carrying any charging apparatus whatsoever – but it still has unwelcome baggage.…