By TuAnh Dam, Betsy Klein, Kara Scannell and Michelle Watson, CNN (CNN) — The Trump administration appears open to negotiations with Harvard, even after America’s most prestigious university sued the federal government – setting up a clash over academic freedom, federal funding and campus oversight. So far, leadership at the nation’s oldest university has shown no signs of wanting to talk with the administration. Last week, administration officials reached out to Harvard representatives three times in an effort to restart talks, a person familiar with the outreach told CNN. Barring a settlement, the legal showdown over frozen federal funds will...