Weakness in the US dollar, which is causing everything to go up—including gas prices, food and stocks—is unlikely to go away soon as a selling frenzy hits the currency market.

The greenback is approaching pre-financial crisis lows and threatening to smash through its all-time low when measured against the world’s predominant national currencies.

A combination of factors accounts for the weakness, with the Federal Reserve’s easy-money policies, huge national debts and deficits and the consequential possibility of a debt downgrade because of the financial mess in Washington leading the way.

Some economists believe that a weak dollar is contributing heavily to the surge in prices at the pump, with one speculating that gas could reach $6 a gallon or beyond by summertime, given certain conditions.

Food prices also are on a steady climb higher. In both cases, a weak dollar is at least somewhat to blame as it drives commodities, which are priced in dollars and therefore cheaper and more attractive to speculators in the global marketplace.

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