Across the country, furniture retailers are reporting months-long delays in every step of the supply chain — from overwhelmed factories to clogged ports — amid surging demand for desks, chairs and sofas during a pandemic that has kept millions of families largely stuck at home for nearly a year.“It is a uniquely busy and challenging time in the home industry right now, even here in our area,” agreed Emily Hughes, owner and principal interior designer at Mix Home Mercantile in North Liberty.