The Lemon Lady needs a new nickname, methinks. Anna Chan, 37, has outgrown the title, which doesn’t begin to describe the difference this anti-hunger activist has made in less than a year in her one-woman campaign to get fresh produce into the mouths of people in need in her community. This stay-at-home mom from Contra Costa County, California has (almost) single-handedly harvested, by her own estimates, 12,000 pounds of local produce from neighbors’ front yards. She’s also collected more t