SACRAMENTO - Seeking to protect motorists from higher bridge tolls, Senate leader Don Perata on Tuesday proposed a statewide bond measure to pay for the Bay Bridge's $3.2 billion in cost overruns and preserve its current design. The bonds, which would require voter approval, also would fund earthquake retrofit work for California's hospitals. The plan requires a two-thirds approval of the Legislature to be placed on the ballot. The amount of the bond is not set, and Perata, D-Oakland, still must work out the measure's details. The move could be a significant tack for Perata and Bay Area legislators, who...