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We consider a weakly interacting finite wire with short and long rangeinteractions. The long range interactions enhance the $4k_{F}$ scattering andrenormalize the wire to a strongly interacting limit. For large screeninglengths, the renormalized charge stiffness Luttinger parameter $K_{eff.}$decreases to $K_{eff.}< {1/2}$, giving rise to a Wigner crystal at T=0 with ananomalous conductance at finite temperatures.  For short screening lengths, the renormalized Luttinger parameter $K_{eff.}$is restricted to ${1/2}\leq K_{eff.}\leq 1$. As a result, at temperatureslarger than the magnetic exchange energy we find an interacting metal which for$K_{eff.}\approx {1/2}$ is equivalent to the Hubbard $U\to\infty$ model, withthe anomalous conductance $G\approx\frac{e^2}{h}$ .

A Scaling Approach for Interacting Quantum Wires -a Possible Explanation for the 0.7 Anomalous Conductance