TRACY — The Delta supplies water to farmlands in our area, but right now, parts of it are filled with salt water, preventing farmers from successfully growing their crops. "We farm pickles, cucumbers, tomatoes, and carrots," said Booby Costa, who has farmed his land in Tracy for 35 years."It's our livelihood. Everything we have is invested our here," says Costa, missing birthdays, sports games, and family time to keep up with crops. Costa continued, "We put everything on the line hoping to make enough back to pay our bills. This year it's very challenging." He explained that this year...