In the 1860's, Otto von Bismarck, Chancellor of Prussia, who a few years later would become Chancellor of Germany when he finished taking over Germany on behalf of the Prussian monarchy, which amounted to taking over Germany for himself, because the Prussian King and soon to be German Emperor (Kaiser) either didn't notice or didn't care that it was Bismarck who was actually in charge -- Ah say Ah say in the 1860's, Bismarck said, "Politik ist die Kunst des Moeglichen." ("Politics is the art of the possible.") Or maybe he said, "La politique, c'est l'art du possible." Or he very well could've said it in English. He was talking to another German dude and he probably said it in German, but he and his pals were a little more cosmopolitan than Amurrkins sometimes realize.
Don't get me wrong: Bismarck was a reactionary and I disagree with most of what he did. On the other hand, however, in the 1880's he instituted universal health insurance and universal pensions for the elderly in Germany. He did this in order to undermine the Social Democrats, against whom he had a -- well, pathological aversion, spying on them, having them arrested and banning their publications and so forth. Really terrible draconian stuff. Bismarck introduced the insurance and pensions in order to combat the Social Democrats, to take the wind out of their sails. (Worked pretty well, too.) But in spite of Bismarck's motives, the universal health insurance and pensions for the elderly marked the beginning of a strong social safety net and were undeniably a boon for the very underprivileged Germans whom the Social Democrats wanted to help.
On the 17th of October, 2014, on Facebook, a Leftist Amurrkin supporter of 3rd parties proposed that anyone who'd ever associated him- or herself with either the Democrats or the GOP be completely barred from the political process. As opposed to voting Democratic because Republicans are worse.
At last check he still has not responded to queries about exactly how he hoped to accomplish this.
Good intentions are useless if they're completely divorced from reality, and conservatives sometimes co-operate with the Left when the Left is strong enough that they have no other good choice. In the midterms it's going to be the Democrats or the Republicans, and the Democrats really are to the left of the GOP, not as far left as I am, but far enough to the left of the GOP that the space between them is clear to see. Vote Democrat, for women's rights and more equitable tax codes and a stronger social safety net and non-creationist science education and the environment and sustainable energy and financial re-regulation and to keep psychos who think Obama's a secret Kenyan Muslim Communist from running this country.