By Dan Weil U.S. investors are suddenly attuned to inflation risks and how to protect against them. Inflation is on a rampage, with consumer prices soaring 9.1% for the 12 months through June, a 40-year high. It’s been an abrupt and shocking change after years of low inflationary pressures accompanied by substantial growth and asset price gains. So how can investors cope with this scourge? Christine Benz, Morningstar’s director of personal finance, has written an analysis of investments that can protect you from inflation. Among the keys: Treasury Inflation-Protected Securities (TIPS) and I Bo…