UBS capital rules have Swiss stuck between a rock and a hard place

* Lower house committee to take up banking rules on October 26* UBS sees current capital requirement plans as excessive* Prospects for softer rules currently deemed slightBy Dave Graham and Ariane LuthiZURICH, Oct 19 (Reuters) - Swiss lawmakers face a quandary as they craft new capital rules for UBS following the 2023 collapse of Credit Suisse: too strict and Switzerland's biggest bank might move abroad, too lax and a potential referendum could prolong the uncertainty.A lower house committee will on…