YouTube American billionaire Stanley Druckenmiller is betting that the US dollar will weaken, and expects a Democratic 'blue wave' this election to be a long-term drag on stocks, Bloomberg reported.At a virtual conference on Tuesday, the hedge-fund manager said higher taxes and inflation will hurt equities in the coming years."We have borrowed so much that I'm skeptical that three to five years out that equities will give us any kind of return," Druckenmiller said at the Robin Hood Investors Conference.He expects retail investors to put their money in beaten-down stocks in the travel industry, including airlines and cruise lines, in the first quarter, while technology stocks will pare some recent gains.